diff --git a/pulsar-client-admin/src/main/java/org/apache/pulsar/client/admin/internal/http/AsyncHttpConnector.java b/pulsar-client-admin/src/main/java/org/apache/pulsar/client/admin/internal/http/AsyncHttpConnector.java
index eca18003c4bec..c0dc467c15e18 100644
--- a/pulsar-client-admin/src/main/java/org/apache/pulsar/client/admin/internal/http/AsyncHttpConnector.java
+++ b/pulsar-client-admin/src/main/java/org/apache/pulsar/client/admin/internal/http/AsyncHttpConnector.java
@@ -240,8 +240,9 @@ private <T> void retryOperation(
                                             retries - 1);
                                 } else {
                                     resultFuture.completeExceptionally(
-                                            new RetryException("Could not complete the operation. Number of retries "
-                                            + "has been exhausted.", throwable));
+                                        new RetryException("Could not complete the operation. Number of retries "
+                                            + "has been exhausted. Failed reason: " + throwable.getMessage(),
+                                            throwable));
                                 }
                             }
                         } else {