diff --git a/src/OpenColorIO/Config.cpp b/src/OpenColorIO/Config.cpp
index 665d522390..c8f2a4bb83 100644
--- a/src/OpenColorIO/Config.cpp
+++ b/src/OpenColorIO/Config.cpp
@@ -1996,7 +1996,7 @@ void Config::validate() const
             {
                 std::ostringstream os;
                 os << "Inactive '" << name << "' is neither a color space nor a named transform.";
-                LogWarning(os.str());
+                LogInfo(os.str());
             }
         }
     }
diff --git a/src/apps/ociocheck/main.cpp b/src/apps/ociocheck/main.cpp
index c4298e1eaf..b3c8c33854 100644
--- a/src/apps/ociocheck/main.cpp
+++ b/src/apps/ociocheck/main.cpp
@@ -56,6 +56,9 @@ int main(int argc, const char **argv)
         return 1;
     }
 
+    // Set the logging level to INFO.
+    OCIO::SetLoggingLevel(OCIO::LOGGING_LEVEL_INFO);
+
     try
     {
         OCIO::ConstConfigRcPtr srcConfig;
diff --git a/tests/cpu/Config_tests.cpp b/tests/cpu/Config_tests.cpp
index 362c69fc55..695625d6d9 100644
--- a/tests/cpu/Config_tests.cpp
+++ b/tests/cpu/Config_tests.cpp
@@ -357,51 +357,19 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
     }
     
     {
-        // Test that all errors appears when all required roles are missing.
+        // Test that all errors appear when all required roles are missing.
 
         OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
-
-        StringUtils::StringVec svec = StringUtils::SplitByLines(logGuard.output());
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-                svec, 
-                "[OpenColorIO Error]: The scene_linear role is required for a config version 2.2 "\
-                "or higher."
-            )
-        );
-
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-                svec, 
-                "[OpenColorIO Error]: The compositing_log role is required for a config version "\
-                "2.2 or higher."
-            )
-        );
-
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-                svec, 
-                "[OpenColorIO Error]: The color_timing role is required for a config version 2.2 "\
-                "or higher."
-            )
-        );
-
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-                svec, 
-                "[OpenColorIO Error]: The aces_interchange role is required when there are "\
-                "scene-referred color spaces and the config version is 2.2 or higher."
-            )
-        );
-
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-                svec, 
-                "[OpenColorIO Error]: The cie_xyz_d65_interchange role is required when there are"\
-                " display-referred color spaces and the config version is 2.2 or higher."
-            )
-        );
+        // Check that the log contains the expected error messages for the missing roles and mute 
+        // them so that (only) those messages don't appear in the test output.
+        OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+        OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+        OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+        OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+        OCIO_CHECK_ASSERT(OCIO::checkAndMuteDisplayInterchangeRoleError(logGuard));
+        // If there are any unexpected log messages, print them to the shell.
+        logGuard.print();
     }
     
     // Set colorspace for all required roles.
@@ -416,11 +384,7 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
 
         OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
-
-        StringUtils::StringVec svec = StringUtils::SplitByLines(logGuard.output());
-        OCIO_CHECK_ASSERT(
-            !StringUtils::Contain(svec, "[OpenColorIO Error]")
-        );
+        OCIO_CHECK_ASSERT(logGuard.empty());
     }
     
     {
@@ -454,12 +418,7 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
         OCIO_CHECK_NO_THROW(config->validate());
 
         StringUtils::StringVec svec = StringUtils::SplitByLines(logGuard.output());
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-            svec, 
-            "[OpenColorIO Error]: The compositing_log role is required for a config version 2.2 "\
-            "or higher.")
-        );
+        checkAndMuteCompositingLogRoleError(logGuard);
 
         // Set compositing_log for next test.
         config->setRole(OCIO::ROLE_COMPOSITING_LOG, dcs->getName());
@@ -475,12 +434,7 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
         OCIO_CHECK_NO_THROW(config->validate());
 
         StringUtils::StringVec svec = StringUtils::SplitByLines(logGuard.output());
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-            svec, 
-            "[OpenColorIO Error]: The color_timing role is required for a config version 2.2 or "\
-            "higher.")
-        );
+        checkAndMuteColorTimingRoleError(logGuard);
 
         // Set color_timing for next test.
         config->setRole(OCIO::ROLE_COLOR_TIMING, dcs->getName());
@@ -494,13 +448,7 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
 
         OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
-        OCIO_CHECK_ASSERT(
-            StringUtils::StartsWith(
-                logGuard.output(), 
-                "[OpenColorIO Error]: The aces_interchange role is required when there are "\
-                "scene-referred color spaces and the config version is 2.2 or higher."
-            )
-        );
+        OCIO::checkAndMuteAcesInterchangeRoleError(logGuard);
 
         // Set aces_interchange for next test.
         config->setRole(OCIO::ROLE_INTERCHANGE_SCENE, scs->getName());
@@ -514,21 +462,14 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
 
         OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
-
-        StringUtils::StringVec svec = StringUtils::SplitByLines(logGuard.output());
-        OCIO_CHECK_ASSERT(
-            StringUtils::Contain(
-            svec, 
-            "[OpenColorIO Error]: The cie_xyz_d65_interchange role is required when there are "\
-            "display-referred color spaces and the config version is 2.2 or higher.")
-        );
+        OCIO::checkAndMuteDisplayInterchangeRoleError(logGuard);
 
         // Set cie_xyz_d65_interchange for next test.
         config->setRole(OCIO::ROLE_INTERCHANGE_DISPLAY, dcs->getName());
     }
 
     {
-        // Test that aces_interchange role has the wrong colorspace type.
+        // Test detection of the aces_interchange role having the wrong colorspace type.
 
         // Set a display-referred colorspace to both interchange roles.
         config->setRole(OCIO::ROLE_INTERCHANGE_SCENE, dcs->getName());
@@ -544,7 +485,7 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
     }
 
     {
-        // Test that cie_xyz_d65_interchange role has the wrong colorspace type.
+        // Test detection of the cie_xyz_d65_interchange role having the wrong colorspace type.
 
         // Set a scene-referred colorspace to both interchange roles.
         config->setRole(OCIO::ROLE_INTERCHANGE_SCENE, scs->getName());
@@ -574,8 +515,7 @@ OCIO_ADD_TEST(Config, required_roles_for_version_2_2)
 
         OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
-        OCIO_CHECK_ASSERT(
-        StringUtils::StartsWith(logGuard.output(), ""));
+        OCIO_CHECK_ASSERT(logGuard.empty());
     }
 }
 
@@ -5906,7 +5846,7 @@ OCIO_ADD_TEST(Config, inactive_color_space_read_write)
             OCIO::LogGuard log;
             OCIO_CHECK_NO_THROW(config->validate());
             OCIO_CHECK_EQUAL(log.output(), 
-                             "[OpenColorIO Warning]: Inactive 'unknown' is neither a color "
+                             "[OpenColorIO Info]: Inactive 'unknown' is neither a color "
                              "space nor a named transform.\n");
         }
 
@@ -6365,6 +6305,8 @@ OCIO_ADD_TEST(Config, display_view)
         config->addColorSpace(cs);
     }
 
+    config->setVersion(2, 1);
+
     // Add a scene-referred and a display-referred color space.
     auto cs = OCIO::ColorSpace::Create(OCIO::REFERENCE_SPACE_SCENE);
     cs->setName("scs");
@@ -6406,7 +6348,7 @@ OCIO_ADD_TEST(Config, display_view)
 
     std::stringstream os;
     os << *config.get();
-    constexpr char expected[]{ R"(ocio_profile_version: 2.2
+    constexpr char expected[]{ R"(ocio_profile_version: 2.1
 
 environment:
   {}
@@ -9038,7 +8980,13 @@ OCIO_ADD_TEST(Config, create_builtin_config)
         );
         OCIO_REQUIRE_ASSERT(config);
 
+        OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
+        // Mute output related to a bug in the initial CG config where the inactive_colorspaces 
+        // list has color spaces that don't exist.
+        OCIO::muteInactiveColorspaceInfo(logGuard);
+        logGuard.print();
+
         OCIO_CHECK_EQUAL(
             std::string(config->getName()), 
             cgConfigName
@@ -9055,7 +9003,11 @@ OCIO_ADD_TEST(Config, create_builtin_config)
         OCIO_CHECK_NO_THROW(config = OCIO::Config::CreateFromEnv());
         OCIO_REQUIRE_ASSERT(config);
 
+        OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
+        OCIO::muteInactiveColorspaceInfo(logGuard);
+        logGuard.print();
+        
         OCIO_CHECK_EQUAL(
             std::string(config->getName()), 
             cgConfigName
@@ -9072,7 +9024,11 @@ OCIO_ADD_TEST(Config, create_builtin_config)
         );
         OCIO_REQUIRE_ASSERT(config);
 
+        OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
+        OCIO::muteInactiveColorspaceInfo(logGuard);
+        logGuard.print();
+
         OCIO_CHECK_EQUAL(
             std::string(config->getName()), 
             cgConfigName
@@ -9151,7 +9107,11 @@ OCIO_ADD_TEST(Config, create_builtin_config)
         OCIO_CHECK_NO_THROW(config = OCIO::Config::CreateFromEnv());
         OCIO_REQUIRE_ASSERT(config);
 
+        OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
+        OCIO::muteInactiveColorspaceInfo(logGuard);
+        logGuard.print();
+
         OCIO_CHECK_EQUAL(
             std::string(config->getName()), 
             std::string("cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
@@ -9165,8 +9125,12 @@ OCIO_ADD_TEST(Config, create_builtin_config)
         OCIO::ConstConfigRcPtr config;
         OCIO_CHECK_NO_THROW(config = OCIO::Config::CreateFromFile("ocio://default"));
         OCIO_REQUIRE_ASSERT(config);
-
+        
+        OCIO::LogGuard logGuard;
         OCIO_CHECK_NO_THROW(config->validate());
+        OCIO::muteInactiveColorspaceInfo(logGuard);
+        logGuard.print();
+
         OCIO_CHECK_EQUAL(
             std::string(config->getName()), 
             std::string("cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
diff --git a/tests/cpu/FileRules_tests.cpp b/tests/cpu/FileRules_tests.cpp
index 1163499418..0f6e7529be 100644
--- a/tests/cpu/FileRules_tests.cpp
+++ b/tests/cpu/FileRules_tests.cpp
@@ -1372,7 +1372,19 @@ strictparsing: true
         // Upgrading is making sure to build a valid v2 config.
 
         config->upgradeToLatestVersion();
-        OCIO_CHECK_NO_THROW(config->validate());
+        
+        {
+          OCIO::LogGuard logGuard;
+          OCIO_CHECK_NO_THROW(config->validate());
+          // Check that the log contains the expected error messages for the missing roles and mute 
+          // them so that (only) those messages don't appear in the test output.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
+        }
 
         // Check the new version.
 
@@ -1439,7 +1451,19 @@ strictparsing: true
         // Upgrading is making sure to build a valid v2 config.
 
         config->upgradeToLatestVersion();
-        OCIO_CHECK_NO_THROW(config->validate());
+
+        {
+          OCIO::LogGuard logGuard;
+          OCIO_CHECK_NO_THROW(config->validate());
+          // Ignore (only) the errors logged regarding the missing roles that are required in 
+          // configs with version >= 2.2.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
+        }
 
         // Check the new version.
 
@@ -1514,7 +1538,19 @@ strictparsing: true
 
             cfg->setInactiveColorSpaces("cs1");
             cfg->upgradeToLatestVersion();
-            OCIO_CHECK_NO_THROW(cfg->validate());
+
+            {
+              OCIO::LogGuard logGuard;
+              OCIO_CHECK_NO_THROW(cfg->validate());
+              // Ignore (only) the errors logged regarding the missing roles that are required in 
+              // configs with version >= 2.2.
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+              // If there are any unexpected log messages, print them to the shell.
+              logGuard.print();
+            }
 
             // Check the new version.
 
@@ -1554,7 +1590,18 @@ strictparsing: true
                     l.output());
             }
 
-            OCIO_CHECK_NO_THROW(cfg->validate());
+            {
+              OCIO::LogGuard logGuard;
+              OCIO_CHECK_NO_THROW(cfg->validate());
+              // Ignore (only) the errors logged regarding the missing roles that are required in 
+              // configs with version >= 2.2.
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+              OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+              // If there are any unexpected log messages, print them to the shell.
+              logGuard.print();
+            }
 
             // Check the new version.
 
@@ -1598,18 +1645,42 @@ OCIO_ADD_TEST(FileRules, config_v1_to_v2_from_memory)
         OCIO::ColorSpaceRcPtr raw = OCIO::ColorSpace::Create();
         raw->setName("rAw");
         config->addColorSpace(raw);
-        OCIO_CHECK_NO_THROW(config->validate());  // because file rules are not validated.
+        OCIO_CHECK_NO_THROW(config->validate());  // (does not fail since the major version is 1)
 
         // Default rule is using 'Default' role that does not exist.
         config->setMajorVersion(2);
-        OCIO_CHECK_THROW_WHAT(config->validate(), OCIO::Exception, "rule named 'Default' is "
-                              "referencing 'default' that is neither a color space nor a named "
-                              "transform");
+
+        {
+          OCIO::LogGuard logGuard;
+          OCIO_CHECK_THROW_WHAT(config->validate(), OCIO::Exception, "rule named 'Default' is "
+                                "referencing 'default' that is neither a color space nor a named "
+                                "transform");
+          // Ignore (only) the errors logged regarding the missing roles that are required in 
+          // configs with version >= 2.2.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
+        }
 
         // Upgrading is making sure to build a valid v2 config.
         config->setMajorVersion(1);
         config->upgradeToLatestVersion();
-        OCIO_CHECK_NO_THROW(config->validate());
+
+        {
+          OCIO::LogGuard logGuard;
+          OCIO_CHECK_NO_THROW(config->validate());
+          // Ignore (only) the errors logged regarding the missing roles that are required in 
+          // configs with version >= 2.2.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
+        }
 
         // Check the new version.
 
@@ -1636,18 +1707,42 @@ OCIO_ADD_TEST(FileRules, config_v1_to_v2_from_memory)
         OCIO::ColorSpaceRcPtr raw = OCIO::ColorSpace::Create();
         raw->setName("rAw");
         config->addColorSpace(raw);
-        OCIO_CHECK_NO_THROW(config->validate());  // because file rules are not validated.
+        OCIO_CHECK_NO_THROW(config->validate());  // (does not fail since the major version is 1)
 
         // Default rule is using 'Default' role but the associated color space does not exist.
         config->setMajorVersion(2);
-        OCIO_CHECK_THROW_WHAT(config->validate(), OCIO::Exception, "rule named 'Default' is "
-                              "referencing 'default' that is neither a color space nor a named "
-                              "transform");
+        
+        {
+          OCIO::LogGuard logGuard;
+          OCIO_CHECK_THROW_WHAT(config->validate(), OCIO::Exception, "rule named 'Default' is "
+                                "referencing 'default' that is neither a color space nor a named "
+                                "transform");
+          // Ignore (only) the errors logged regarding the missing roles that are required in 
+          // configs with version >= 2.2.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
+        }
 
         // Upgrading is making sure to build a valid v2 config.
         config->setMajorVersion(1);
         config->upgradeToLatestVersion();
-        OCIO_CHECK_NO_THROW(config->validate());
+
+        {
+          OCIO::LogGuard logGuard;
+          OCIO_CHECK_NO_THROW(config->validate());
+          // Ignore (only) the errors logged regarding the missing roles that are required in 
+          // configs with version >= 2.2.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
+        }
 
         // Check the new version.
 
@@ -1673,32 +1768,56 @@ OCIO_ADD_TEST(FileRules, config_v1_to_v2_from_memory)
         OCIO::ColorSpaceRcPtr cs1 = OCIO::ColorSpace::Create();
         cs1->setName("cs1");
         config->addColorSpace(cs1);
-        OCIO_CHECK_NO_THROW(config->validate());  // because file rules are not validated.
+        OCIO_CHECK_NO_THROW(config->validate());  // (does not fail since the major version is 1)
 
         // Default rule is using 'Default' role but the associated color space does not exist.
         config->setInactiveColorSpaces("cs1");
         config->setMajorVersion(2);
-        OCIO_CHECK_THROW_WHAT(config->validate(), OCIO::Exception, "rule named 'Default' is "
-                              "referencing 'default' that is neither a color space nor a named "
-                              "transform");
+
+        {
+          OCIO::LogGuard logGuard;
+          OCIO_CHECK_THROW_WHAT(config->validate(), OCIO::Exception, "rule named 'Default' is "
+                                "referencing 'default' that is neither a color space nor a named "
+                                "transform");
+          // Ignore (only) the errors logged regarding the missing roles that are required in 
+          // configs with version >= 2.2.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
+        }
 
         config->setMajorVersion(1);
-        
+
         {
-            OCIO::LogGuard l;      
-    
+            OCIO::LogGuard logGuard;
             config->upgradeToLatestVersion();
-            
-            OCIO_CHECK_EQUAL(
-                std::string("[OpenColorIO Warning]: The default rule creation falls back to the"\
-                            " first color space because no suitable color space exists.\n"), 
-                l.output());
+            StringUtils::StringVec svec = StringUtils::SplitByLines(logGuard.output());
+            OCIO_CHECK_ASSERT(
+                StringUtils::Contain(
+                    svec, 
+                    "[OpenColorIO Warning]: The default rule creation falls back to the"\
+                    " first color space because no suitable color space exists."
+                )
+            );
+        }
+        
+        {
+          OCIO::LogGuard logGuard; 
+          OCIO_CHECK_NO_THROW(config->validate());
+          // Ignore (only) the errors logged regarding the missing roles that are required in 
+          // configs with version >= 2.2.
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteSceneLinearRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteCompositingLogRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteColorTimingRoleError(logGuard));
+          OCIO_CHECK_ASSERT(OCIO::checkAndMuteAcesInterchangeRoleError(logGuard));
+          // If there are any unexpected log messages, print them to the shell.
+          logGuard.print();
         }
-
-        OCIO_CHECK_NO_THROW(config->validate());
 
         // Check the new version.
-
         OCIO_CHECK_EQUAL(config->getMajorVersion(), 2);
 
         // Check the 'default' rule. As there is not 'data' or active color space, the default
diff --git a/tests/cpu/UnitTestLogUtils.cpp b/tests/cpu/UnitTestLogUtils.cpp
index 28a2d3ee55..6fd3896561 100644
--- a/tests/cpu/UnitTestLogUtils.cpp
+++ b/tests/cpu/UnitTestLogUtils.cpp
@@ -4,6 +4,11 @@
 
 #include <OpenColorIO/OpenColorIO.h>
 
+#include <iostream>
+#include <regex>
+
+#include "Platform.h"
+#include "testutils/UnitTest.h"
 #include "UnitTestLogUtils.h"
 
 namespace OCIO_NAMESPACE
@@ -54,6 +59,45 @@ bool LogGuard::empty() const
     return g_output.empty();
 }
 
+// Find and remove specified line from g_output.
+// Return true if found, otherwise, false.
+bool LogGuard::findAndRemove(const std::string & line) const
+{
+    // Escape the line to prevent error in regex if the line contains regex character.
+    std::string escaped_line = std::regex_replace(line, std::regex("[\\[\\](){}*+?.^$|\\\\]"), "\\$&");
+    std::regex pattern(escaped_line + R"([\r\n]+)");
+    std::smatch match;
+    if (std::regex_search(g_output, match, pattern)) 
+    {
+        // If the line is found, remove it.
+        auto pos = std::next(g_output.begin(), match.position());
+        auto end = std::next(pos, match.length());
+        g_output.erase(pos, end);
+        return true;
+    }
+    return false;
+}
+
+bool LogGuard::findAllAndRemove(const std::string & sPattern) const
+{
+    bool found = false;
+    std::regex pattern(sPattern);
+    std::smatch match;
+    while (std::regex_search(g_output, match, pattern)) 
+    {
+        found = true;
+        auto pos = std::next(g_output.begin(), match.position());
+        auto end = std::next(pos, match.length());
+        g_output.erase(pos, end);
+    }
+    return found;
+}
+
+void LogGuard::print()
+{
+    std::cout << g_output;
+}
+
 MuteLogging::MuteLogging()
 {
     SetLoggingFunction(&MuteLoggingFunction);
@@ -64,5 +108,49 @@ MuteLogging::~MuteLogging()
     ResetToDefaultLoggingFunction();
 }
 
+bool checkAndMuteSceneLinearRoleError(LogGuard & logGuard)
+{
+    const std::string interchange_scene = "[OpenColorIO Error]: The scene_linear role is "\
+                                          "required for a config version 2.2 or higher.";
+    return logGuard.findAndRemove(interchange_scene);
+}
+
+bool checkAndMuteCompositingLogRoleError(LogGuard & logGuard)
+{
+    const std::string compositing_log = "[OpenColorIO Error]: The compositing_log role is "\
+                                        "required for a config version 2.2 or higher.";
+    return logGuard.findAndRemove(compositing_log);
+}
+
+bool checkAndMuteColorTimingRoleError(LogGuard & logGuard)
+{
+    const std::string color_timing = "[OpenColorIO Error]: The color_timing role is required "\
+                                     "for a config version 2.2 or higher.";
+    return logGuard.findAndRemove(color_timing);
+}
+
+bool checkAndMuteAcesInterchangeRoleError(LogGuard & logGuard)
+{
+    const std::string aces_interchange = "[OpenColorIO Error]: The aces_interchange role is "\
+                                         "required when there are scene-referred color spaces and "\
+                                         "the config version is 2.2 or higher.";
+    return logGuard.findAndRemove(aces_interchange);
+}
+
+bool checkAndMuteDisplayInterchangeRoleError(LogGuard & logGuard)
+{
+    const std::string interchange_display = "[OpenColorIO Error]: The cie_xyz_d65_interchange "\
+                                            "role is required when there are display-referred "\
+                                            "color spaces and the config version is 2.2 or higher.";
+    return logGuard.findAndRemove(interchange_display);
+}
+
+void muteInactiveColorspaceInfo(LogGuard & logGuard)
+{
+    const std::string str = "- Display' is neither a color space nor a named transform.";
+    const std::string pattern = R"(^\[OpenColorIO Info\]: Inactive.*)" + str + R"([\r\n]+)";
+    logGuard.findAllAndRemove(pattern);
+}
+
 } // namespace OCIO_NAMESPACE
 
diff --git a/tests/cpu/UnitTestLogUtils.h b/tests/cpu/UnitTestLogUtils.h
index aa961ba4a6..ba05ecf1f6 100644
--- a/tests/cpu/UnitTestLogUtils.h
+++ b/tests/cpu/UnitTestLogUtils.h
@@ -25,6 +25,9 @@ class LogGuard
     void clear();
     bool empty() const;
 
+    bool findAndRemove(const std::string & str) const;
+    bool findAllAndRemove(const std::string & sPattern) const;
+    void print();
 private:
     LoggingLevel m_logLevel;
 };
@@ -37,6 +40,14 @@ class MuteLogging
     ~MuteLogging();
 };
 
+bool checkAndMuteSceneLinearRoleError(LogGuard & logGuard);
+bool checkAndMuteCompositingLogRoleError(LogGuard & logGuard);
+bool checkAndMuteColorTimingRoleError(LogGuard & logGuard);
+bool checkAndMuteAcesInterchangeRoleError(LogGuard & logGuard);
+bool checkAndMuteDisplayInterchangeRoleError(LogGuard & logGuard);
+
+void muteInactiveColorspaceInfo(LogGuard & logGuard);
+
 } // namespace OCIO_NAMESPACE
 
 #endif // INCLUDED_OCIO_UNITTEST_LOGUTILS_H
diff --git a/tests/cpu/transforms/builtins/BuiltinTransformRegistry_tests.cpp b/tests/cpu/transforms/builtins/BuiltinTransformRegistry_tests.cpp
index 8eb529f06c..ceaed13ee0 100644
--- a/tests/cpu/transforms/builtins/BuiltinTransformRegistry_tests.cpp
+++ b/tests/cpu/transforms/builtins/BuiltinTransformRegistry_tests.cpp
@@ -105,7 +105,11 @@ strictparsing: true
 luma: [0.2126, 0.7152, 0.0722]
 
 roles:
+  aces_interchange: test
+  color_timing: test
+  compositing_log: test
   default: ref
+  scene_linear: test
 
 file_rules:
   - !<Rule> {name: Default, colorspace: default}
diff --git a/tests/python/ConfigTest.py b/tests/python/ConfigTest.py
index 1ea0e2d928..a687a5f0e2 100644
--- a/tests/python/ConfigTest.py
+++ b/tests/python/ConfigTest.py
@@ -11,7 +11,8 @@
                            SIMPLE_CONFIG_VIRTUAL_DISPLAY_ACTIVE_DISPLAY,
                            SIMPLE_CONFIG_VIRTUAL_DISPLAY_V1,
                            SIMPLE_CONFIG_VIRTUAL_DISPLAY_EXCEPTION,
-                           TEST_DATAFILES_DIR)
+                           TEST_DATAFILES_DIR,
+                           MuteLogging)
 
 # Legacy tests kept for reference.
 #
@@ -911,7 +912,13 @@ def test_create_builtin_config(self):
         numberOfExpectedColorspaces = 14
         # Testing CreateFromBuiltinConfig with a known built-in config name.
         builtinCfgA = OCIO.Config.CreateFromBuiltinConfig("cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
-        builtinCfgA.validate()
+
+        # Mute output related to a bug in the initial CG config where the inactive_colorspaces
+        # list has color spaces that don't exist.
+        log = MuteLogging()
+        with log:
+            builtinCfgA.validate()
+
         self.assertEqual(builtinCfgA.getName(), "cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
         self.assertEqual(len(builtinCfgA.getColorSpaceNames()), numberOfExpectedColorspaces)
 
@@ -919,7 +926,11 @@ def test_create_builtin_config(self):
         try:
             OCIO.SetEnvVariable('OCIO', 'ocio://cg-config-v1.0.0_aces-v1.3_ocio-v2.1')
             builtinCfgB = OCIO.Config.CreateFromEnv()
-            builtinCfgB.validate()
+
+            log = MuteLogging()
+            with log:
+                builtinCfgB.validate()
+
             self.assertEqual(builtinCfgB.getName(), "cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
             self.assertEqual(len(builtinCfgB.getColorSpaceNames()), numberOfExpectedColorspaces)
         finally:
@@ -927,7 +938,11 @@ def test_create_builtin_config(self):
 
         # Testing CreateFromFile with an known built-in config name using URI Syntax.
         builtinCfgC = OCIO.Config.CreateFromFile("ocio://cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
-        builtinCfgC.validate()
+
+        log = MuteLogging()
+        with log:
+            builtinCfgC.validate()
+
         self.assertEqual(builtinCfgC.getName(), "cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
         self.assertEqual(len(builtinCfgC.getColorSpaceNames()), numberOfExpectedColorspaces)
 
@@ -935,7 +950,7 @@ def test_create_builtin_config(self):
         # Testing STUDIO config.
         # ********************************
 
-        numberOfExpectedColorspaces = 39;
+        numberOfExpectedColorspaces = 39
         # Testing CreateFromBuiltinConfig with a known built-in config name.
         builtinCfgA = OCIO.Config.CreateFromBuiltinConfig("studio-config-v1.0.0_aces-v1.3_ocio-v2.1")
         builtinCfgA.validate()
@@ -966,7 +981,11 @@ def test_create_builtin_config(self):
         try:
             OCIO.SetEnvVariable('OCIO', 'ocio://default')
             builtinCfgD = OCIO.Config.CreateFromEnv()
-            builtinCfgD.validate()
+
+            log = MuteLogging()
+            with log:
+                builtinCfgD.validate()
+
             self.assertEqual(builtinCfgD.getName(), "cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
             self.assertEqual(len(builtinCfgD.getColorSpaceNames()), 14)
         finally:
@@ -974,7 +993,11 @@ def test_create_builtin_config(self):
 
         # Testing CreateFromFile with the default config using URI Syntax.
         builtinCfgE = OCIO.Config.CreateFromFile("ocio://default")
-        builtinCfgE.validate()
+
+        log = MuteLogging()
+        with log:
+            builtinCfgE.validate()
+        
         self.assertEqual(builtinCfgE.getName(), "cg-config-v1.0.0_aces-v1.3_ocio-v2.1")
         self.assertEqual(len(builtinCfgE.getColorSpaceNames()), 14)
 
diff --git a/tests/python/UnitTestUtils.py b/tests/python/UnitTestUtils.py
index 23d11d5a33..1b83c1cb92 100644
--- a/tests/python/UnitTestUtils.py
+++ b/tests/python/UnitTestUtils.py
@@ -2,6 +2,8 @@
 import sys
 from random import randint
 
+import PyOpenColorIO as OCIO
+
 def assertEqualRGBM(testCase, first, second):
     testCase.assertEqual(first.red, second.red)
     testCase.assertEqual(first.green, second.green)
@@ -65,6 +67,17 @@ def assertEqualRGBCurve(testCase, first, second):
     assertEqualBSpline(testCase, first.blue, second.blue)
     assertEqualBSpline(testCase, first.master, second.master)
 
+class MuteLogging:
+  def __init__(self):
+    self.previous_function = None
+  
+  def __enter__(self):
+    self.previous_function = OCIO.SetLoggingFunction(lambda message: None)
+    return self
+
+  def __exit__(self, exc_type, exc_val, exc_tb):
+    OCIO.ResetToDefaultLoggingFunction()
+
 # -----------------------------------------------------------------------------
 # Python 2/3 compatibility
 # -----------------------------------------------------------------------------