Merge pull request #217570 from hhunter-ms/hh-2004881

[Change Analysis] Add limitations

Author: prmerger-automator[bot]

articles/azure-monitor/change/change-analysis-custom-filters.md

@@ -28,12 +28,13 @@ Browsing through a long list of changes in the entire subscription is time consu
 | Time range | Specifies how far back the UI display changes, up to 14 days. By default, it’s set to the past 24 hours. |
 | Resource group | Select the resource group to scope the changes. By default, all resource groups are selected. |
 | Change level | Controls which levels of changes to display. Levels include: important, normal, and noisy. <ul><li>Important: related to availability and security</li><li>Noisy: Read-only properties that are unlikely to cause any issues</li></ul> By default, important and normal levels are checked. |
-| Resource | Select **Add filter** to use this filter. </br> Filter the changes to specific resources. Helpful if you already know which resources to look at for changes. |
+| Resource | Select **Add filter** to use this filter. </br> Filter the changes to specific resources. Helpful if you already know which resources to look at for changes. [If the filter is only returning 1,000 resources, see the corresponding solution in troubleshooting guide](./change-analysis-troubleshoot.md#cant-filter-to-your-resource-to-view-changes). |
 | Resource type | Select **Add filter** to use this filter. </br> Filter the changes to specific resource types. |
 
 ### Search bar
 
 The search bar filters the changes according to the input keywords. Search bar results apply only to the changes loaded by the page already and don't pull in results from the server side.
 
+
 ## Next steps
 [Troubleshoot Change Analysis](./change-analysis-troubleshoot.md).

articles/azure-monitor/change/change-analysis-troubleshoot.md

@@ -68,6 +68,7 @@ This error message may occur in the Azure portal when loading change data via th
 
 To load all change data, try waiting a few minutes and refreshing the page. If you are still only receiving partial data, contact the [Change Analysis help team](mailto:[email protected]).
 
+
 ## You don't have enough permissions to view some changes. Contact your Azure subscription administrator.
 
 This general unauthorized error message occurs when the current user doesn't have sufficient permissions to view the change. At minimum, 
@@ -89,7 +90,16 @@ To troubleshoot virtual machine issues using the troubleshooting tool in the Azu
 
 ![Screenshot of the tile for the Analyze recent changes troubleshooting tool for a Virtual Machine.](./media/change-analysis/analyze-recent-changes.png)
 
+## Can't filter to your resource to view changes
+
+When filtering down to a particular resource in the Change Analysis standalone page, you may encounter a known limitation that only returns 1,000 resource results. To filter through and pinpoint changes for one of your 1,000+ resources:
+
+1. In the Azure portal, select **All resources**.
+1. Select the actual resource you want to view.
+1. In that resource's left side menu, select **Diagnose and solve problems**.
+1. Select **Change details**.
 
+From here, you'll be able to view all of the changes for that one resource.
 
 ## Next steps
 

articles/azure-monitor/change/change-analysis.md

@@ -83,7 +83,9 @@ Every 30 minutes, Change Analysis captures the configuration state of a web appl
 
 :::image type="content" source="./media/change-analysis/scan-changes.png" alt-text="Screenshot of the selecting the Refresh button to view latest changes.":::   
 
-If you don't see file changes within 30 minutes or configuration changes within 6 hours, refer to [our troubleshooting guide](./change-analysis-troubleshoot.md#cannot-see-in-guest-changes-for-newly-enabled-web-app). [See known limitations.](#limitations)
+If you don't see file changes within 30 minutes or configuration changes within 6 hours, refer to [our troubleshooting guide](./change-analysis-troubleshoot.md#cannot-see-in-guest-changes-for-newly-enabled-web-app). 
+
+[See known limitations.](#limitations)
 
 Currently, all text-based files under site root **wwwroot** with the following extensions are supported:
 
@@ -123,6 +125,7 @@ Currently the following dependencies are supported in **Web App Diagnose and sol
 - **Web app deployment changes**: Code deployment change information might not be available immediately in the Change Analysis tool. To view the latest changes in Change Analysis, select **Refresh**.
 - **App Services file changes**: File changes take up to 30 minutes to display.
 - **App Services configuration changes**: Due to the snapshot approach to configuration changes, timestamps of configuration changes could take up to 6 hours to display from when the change actually happened.
+- **Web app deployment and configuration changes**: Since these changes are collected by a site extension and stored on disk space owned by your application, data collection and storage is subject to your application's behavior. Check to see if a misbehaving application is affecting the results.
 
 ## Next steps