Using the new Change History (Preview) feature with Azure

A new feature was introduced in Microsoft Azure called Change History, and it helps a lot when troubleshooting and auditing resources deployment/changes in Microsoft Azure. We can see the feature in action when performing a new deployment Azure DevOps in a virtual network resource. When checking the Activity log, we can see an update on the virtual network. We can see that a service principal account initiated the change from Azure DevOps.

When we double click on the entry, we have a new tab called Change History (Preview), and it provides a summary of all changes, the change type and the previous and new value.

We can also click on a specific entry, and a new blade showing the JSON changes from the before and now will be displayed. We can see the new block of JSON code that I added to the ARM template to introduce the new DB Subnet.

Anderson Patricio

Anderson Patricio is a Canadian MVP in Cloud and Datacenter Management, and Office Server and Services, besides of the Microsoft Award he also holds a Solutions Master (MCSM) in Exchange, CISSP and several other certifications. Anderson contributes to the Microsoft Community with articles, tutorials, blog posts, twitter, forums and book reviews. He is a regular contributor here at,, and Anderson (Portuguese).

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Anderson Patricio

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