diff --git a/lib/ansible/modules/cloud/azure/_azure_rm_virtualmachine_extension.py b/lib/ansible/modules/cloud/azure/_azure_rm_virtualmachine_extension.py
new file mode 120000
index 00000000000..6265701b299
--- /dev/null
+++ b/lib/ansible/modules/cloud/azure/_azure_rm_virtualmachine_extension.py
@@ -0,0 +1 @@
+azure_rm_virtualmachineextension.py
\ No newline at end of file
diff --git a/lib/ansible/modules/cloud/azure/azure_rm_virtualmachine_extension.py b/lib/ansible/modules/cloud/azure/azure_rm_virtualmachineextension.py
similarity index 95%
rename from lib/ansible/modules/cloud/azure/azure_rm_virtualmachine_extension.py
rename to lib/ansible/modules/cloud/azure/azure_rm_virtualmachineextension.py
index aa3e358c112..163f7f7dc3a 100644
--- a/lib/ansible/modules/cloud/azure/azure_rm_virtualmachine_extension.py
+++ b/lib/ansible/modules/cloud/azure/azure_rm_virtualmachineextension.py
@@ -15,7 +15,7 @@ ANSIBLE_METADATA = {'metadata_version': '1.1',
 
 DOCUMENTATION = '''
 ---
-module: azure_rm_virtualmachine_extension
+module: azure_rm_virtualmachineextension
 
 version_added: "2.4"
 
@@ -24,6 +24,9 @@ short_description: Managed Azure Virtual Machine extension
 description:
     - Create, update and delete Azure Virtual Machine Extension
 
+notes:
+    - This module was called C(azure_rm_virtualmachine_extension) before Ansible 2.8. The usage did not change.
+
 options:
     resource_group:
         description:
@@ -77,7 +80,7 @@ author:
 
 EXAMPLES = '''
     - name: Create VM Extension
-      azure_rm_virtualmachine_extension:
+      azure_rm_virtualmachineextension:
         name: myvmextension
         location: eastus
         resource_group: myResourceGroup
@@ -89,7 +92,7 @@ EXAMPLES = '''
         auto_upgrade_minor_version: true
 
     - name: Delete VM Extension
-      azure_rm_virtualmachine_extension:
+      azure_rm_virtualmachineextension:
         name: myvmextension
         location: eastus
         resource_group: myResourceGroup
@@ -208,6 +211,9 @@ class AzureRMVMExtension(AzureRMModuleBase):
         for key in list(self.module_arg_spec.keys()):
             setattr(self, key, kwargs[key])
 
+        if self.module._name == 'azure_rm_virtualmachine_extension':
+            self.module.deprecate("The 'azure_rm_virtualmachine_extension' module has been renamed to 'azure_rm_virtualmachineextension'", version='2.12')
+
         resource_group = None
         response = None
         to_be_updated = False
diff --git a/test/integration/targets/azure_rm_virtualmachine_extension/aliases b/test/integration/targets/azure_rm_virtualmachineextension/aliases
similarity index 100%
rename from test/integration/targets/azure_rm_virtualmachine_extension/aliases
rename to test/integration/targets/azure_rm_virtualmachineextension/aliases
diff --git a/test/integration/targets/azure_rm_virtualmachine_extension/meta/main.yml b/test/integration/targets/azure_rm_virtualmachineextension/meta/main.yml
similarity index 100%
rename from test/integration/targets/azure_rm_virtualmachine_extension/meta/main.yml
rename to test/integration/targets/azure_rm_virtualmachineextension/meta/main.yml
diff --git a/test/integration/targets/azure_rm_virtualmachine_extension/tasks/main.yml b/test/integration/targets/azure_rm_virtualmachineextension/tasks/main.yml
similarity index 98%
rename from test/integration/targets/azure_rm_virtualmachine_extension/tasks/main.yml
rename to test/integration/targets/azure_rm_virtualmachineextension/tasks/main.yml
index 4a6691d734b..7e80f7cac0c 100644
--- a/test/integration/targets/azure_rm_virtualmachine_extension/tasks/main.yml
+++ b/test/integration/targets/azure_rm_virtualmachineextension/tasks/main.yml
@@ -68,7 +68,7 @@
       version: latest
 
 - name: Create VM Extension
-  azure_rm_virtualmachine_extension:
+  azure_rm_virtualmachineextension:
     resource_group: "{{ resource_group }}"
     name: testVMExtension
     virtual_machine_name: testVM
@@ -125,7 +125,7 @@
       - results.extensions[0]['provisioning_state'] != None
 
 - name: Delete VM Extension
-  azure_rm_virtualmachine_extension:
+  azure_rm_virtualmachineextension:
     resource_group: "{{ resource_group }}"
     name: testVMExtension
     virtual_machine_name: testVM