diff --git a/sdk/applicationinsights/azure-applicationinsights/dev_requirements.txt b/sdk/applicationinsights/azure-applicationinsights/dev_requirements.txt
index 6ccb7f031ddd..6cb5dade2552 100644
--- a/sdk/applicationinsights/azure-applicationinsights/dev_requirements.txt
+++ b/sdk/applicationinsights/azure-applicationinsights/dev_requirements.txt
@@ -1 +1,2 @@
 -e ../../../tools/azure-sdk-tools
+msrestazure
\ No newline at end of file
diff --git a/sdk/core/azure-common/dev_requirements.txt b/sdk/core/azure-common/dev_requirements.txt
index 67907583c8af..4f9a6c3b5482 100644
--- a/sdk/core/azure-common/dev_requirements.txt
+++ b/sdk/core/azure-common/dev_requirements.txt
@@ -1,2 +1,3 @@
 -e ../../../tools/azure-sdk-tools
 -e ../azure-core
+msrestazure
\ No newline at end of file
diff --git a/sdk/core/azure-mgmt-core/CHANGELOG.md b/sdk/core/azure-mgmt-core/CHANGELOG.md
index 20d1e26f1f5e..6117382520b3 100644
--- a/sdk/core/azure-mgmt-core/CHANGELOG.md
+++ b/sdk/core/azure-mgmt-core/CHANGELOG.md
@@ -1,6 +1,8 @@
 
 # Release History
 
+## 1.2.1 (unreleased)
+
 ## 1.2.0 (2020-07-06)
 
 ### Bug Fixes
diff --git a/sdk/core/azure-mgmt-core/azure/mgmt/core/_version.py b/sdk/core/azure-mgmt-core/azure/mgmt/core/_version.py
index 3c9123ce45fc..8c49bbb02b31 100644
--- a/sdk/core/azure-mgmt-core/azure/mgmt/core/_version.py
+++ b/sdk/core/azure-mgmt-core/azure/mgmt/core/_version.py
@@ -9,4 +9,4 @@
 # regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "1.2.0"
+VERSION = "1.2.1"
diff --git a/sdk/loganalytics/azure-loganalytics/dev_requirements.txt b/sdk/loganalytics/azure-loganalytics/dev_requirements.txt
index f6457a93d5e8..6cb5dade2552 100644
--- a/sdk/loganalytics/azure-loganalytics/dev_requirements.txt
+++ b/sdk/loganalytics/azure-loganalytics/dev_requirements.txt
@@ -1 +1,2 @@
--e ../../../tools/azure-sdk-tools
\ No newline at end of file
+-e ../../../tools/azure-sdk-tools
+msrestazure
\ No newline at end of file
diff --git a/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource.py b/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource.py
index b4e15436e5d4..92d087ab9210 100644
--- a/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource.py
+++ b/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource.py
@@ -21,7 +21,7 @@
 # import azure.mgmt.managementgroups
 import azure.mgmt.resource
 import azure.mgmt.resource.resources.v2019_07_01
-import azure.common.exceptions
+
 from devtools_testutils import AzureMgmtTestCase, RandomNameResourceGroupPreparer
 
 template = {
diff --git a/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource_async.py b/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource_async.py
index c2b129c98829..58381aafcdc1 100644
--- a/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource_async.py
+++ b/sdk/resources/azure-mgmt-resource/tests/test_mgmt_resource_async.py
@@ -10,7 +10,7 @@
 import unittest
 
 import azure.mgmt.resource.resources.v2019_10_01
-import azure.common.exceptions
+
 from devtools_testutils import AzureMgmtTestCase, RandomNameResourceGroupPreparer
 
 from _aio_testcase import AzureMgmtAsyncTestCase
diff --git a/sdk/storage/azure-storage-file-datalake/dev_requirements.txt b/sdk/storage/azure-storage-file-datalake/dev_requirements.txt
index 8ab0ef1acb5b..adc6612fece0 100644
--- a/sdk/storage/azure-storage-file-datalake/dev_requirements.txt
+++ b/sdk/storage/azure-storage-file-datalake/dev_requirements.txt
@@ -4,3 +4,4 @@
 ../azure-storage-blob
 -e ../../identity/azure-identity
 aiohttp>=3.0; python_version >= '3.5'
+adal