put back preview for Audit (for now)

Author: sdgilley

articles/machine-learning/concept-vulnerability-management.md

@@ -73,7 +73,7 @@ It's a shared responsibility between you and Microsoft to ensure that your envir
 
 ### Compute instance
 
-Compute instances get the latest VM images at the time of provisioning. Microsoft releases new VM images on a monthly basis. Once a compute instance is deployed, it does not get actively updated. You could [query an instance's operating system version](how-to-create-manage-compute-instance.md#audit-and-observe-compute-instance-version). To keep current with the latest software updates and security patches, you could:
+Compute instances get the latest VM images at the time of provisioning. Microsoft releases new VM images on a monthly basis. Once a compute instance is deployed, it does not get actively updated. You could [query an instance's operating system version](how-to-create-manage-compute-instance.md#audit-and-observe-compute-instance-version-preview). To keep current with the latest software updates and security patches, you could:
 
 1. Recreate a compute instance to get the latest OS image (recommended)
 

articles/machine-learning/how-to-create-manage-compute-instance.md

@@ -744,10 +744,12 @@ To create a compute instance, you'll need permissions for the following actions:
 * *Microsoft.MachineLearningServices/workspaces/computes/write*
 * *Microsoft.MachineLearningServices/workspaces/checkComputeNameAvailability/action*
 
-### Audit and observe compute instance version
+### Audit and observe compute instance version (preview)
 
 Once a compute instance is deployed, it does not get automatically updated. Microsoft [releases](azure-machine-learning-ci-image-release-notes.md) new VM images on a monthly basis. To understand options for keeping recent with the latest version, see [vulnerability management](concept-vulnerability-management.md#compute-instance). 
 
+ Enable 'audit and observe compute instance os version' under the previews management panel to see these preview properties.
+
 To keep track of whether an instance's operating system version is current, you could query its version using the Studio UI. In your workspace in Azure Machine Learning studio, select Compute, then select compute instance on the top. Select a compute instance's compute name to see its properties including the current operating system.
 
 Administrators can use [Azure Policy](./../governance/policy/overview.md) definitions to audit instances that are running on outdated operating system versions across workspaces and subscriptions. The following is a sample policy: