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View resource changes in the Azure portal (preview)

Important

The Change Analysis experience in the Azure portal is in preview and migrating from Azure Monitor to Azure Resource Graph. Previews are partially covered by customer support on a best-effort basis. As such, these features aren't meant for production use.

Change Analysis provides data for various management and troubleshooting scenarios, helping you understand which changes to your application caused which breaking issues. In addition to querying Resource Graph for resource changes, you can also view all changes to your applications via the Azure portal.

In this guide, you learn where to find Change Analysis in the portal and how to view, filter, and query changes.

Access Change Analysis screens

Change Analysis automatically collects snapshots of change data for all Azure resources, without needing to limit to a specific subscription or service. To view change data, navigate to All Resources from the main menu on the portal dashboard.

Screenshot of finding All Resources in the portal menu.

Select Changed resources. In this example, all Azure resources are returned with no specific subscription selected.

Screenshot of the All Resources page and highlighting the Changed resources.

Review the results in Changed resources.

Screenshot of the Azure Resource Graph Change Analysis resources.

Filter and sort Change Analysis results

Realistically, you only want to see the change history results for the resources you work with. You can use the filters and sorting categories in the Azure portal to weed out results unnecessary to your project.

Filter

Use any of the filters available at the top of Change Analysis to narrow down the change history results to your specific needs.

Screenshot of the filters available for Change Analysis that help narrow down the Change Analysis results.

You might need to reset filters set on All resources in order to use the resource changes filters.

Screenshot of the banner that indicates you might need to reset filters from All Resources.

Filter Description
Subscription This filter is in-sync with the Azure portal subscription selector. It supports multiple-subscription selection.
Resource group Select the resource group to scope to all resources within that group. By default, all resource groups are selected.
Time span Limit results to resources changed within a certain time range.
Change types Types of changes made to resources.
Resource types Select Add filter to add this filter.
Search for resources by their resource type, like virtual machine.
Resources Select Add filter to add this filter.
Filter results based on their resource name.
Correlation IDs Select Add filter to add this filter.
Filter resource results by the operation's unique identifier.
Changed by types Select Add filter to add a tag filter.
Filter resource changes based on the descriptor of who made the change.
Client types Select Add filter to add this filter.
Filter results based on how the change is initiated and performed.
Operations Select Add filter to add this filter.
Filter resources based on their resource provider operations.
Changed by Select Add filter to add a tag filter.
Filter the resource changes by who made the change.

Sort

In Change Analysis, you can organize the results into groups using the Group by... drop-down menu.

Screenshot of the drop-down for selecting how to group Change Analysis results.

Group by... Description
None Set to this grouping by default and applies no group settings.
Subscription Sorts the resources into their respective subscriptions.
Resource Group Groups resources based on their resource group.
Type Groups resources based on their Azure service type.
Resource Sorts resources per their resource name.
Change Type Organizes resources based on the collected change type. Values include Create, Update, and Delete.
Client Type Sorts by how the change is initiated and performed. Values include CLI and ARM template.
Changed By Groups resource changes by who made the change. Values include user email ID or subscription ID.
Changed By Type Groups resource changes based on the descriptor of who made the change. Values include User, Application.
Operation Groups resources based on their resource provider operations.
Correlation ID Organizes the resource changes by the operation's unique identifier.

Edit columns

You can add and remove columns, or change the column order in the Change Analysis results. In Change Analysis select Manage view > Edit columns.

Screenshot of the drop-down for selecting the option for editing columns for the results.

In the Edit columns pane, make your changes and then select Save to apply.

Screenshot of the Edit columns pane options.

Add a column

Select + Add column.

Screenshot of selecting the button for adding a new column.

Select a column property from the dropdown in the new column field.

Screenshot of the drop-down for selecting a new column.

Delete a column

To delete a column, select the trash can icon.

Screenshot of the trash can icon to delete a column.

Reorder columns

Change the column order by either dragging and dropping a field, or selecting a column and clicking Move up and Move down.

Screenshot of selecting a column to move up or down in the order.

Reset to default

Select Reset to defaults to revert your changes.

Screenshot of where to reset to the default column settings.

Next steps

Learn more about Azure Resource Graph