Steps to Troubleshoot 'Diagnostics Tests' Monitoring in Active Directory monitor

Change Polling Interval and Verify Data Collection

1. Navigate to Settings/Admin → Performance Polling → Optimize Data Collection in the Applications Manager console.
2. Select Active Directory as the monitor type and choose the required metric under Metric Name from these 4 test categories:
   • Basic Tests
   • Cross Reference Check Tests
   • Replication Tests 
   • Security Descriptor Reference Check Tests
3. Enable Collect data during every poll and click Save. Poll the monitor again and verify whether the data is populated.

Run Diagnostics Test PowerShell Script from Applications Manager Installed Machine

4. Ensure all required PowerShell prerequisites are completed.
5. Open PowerShell (Run as Administrator) on the Applications Manager installed machine.
6. Navigate to the PowerShell script directory:
   <Applications Manager Home>\working\conf\application\scripts\powershell
   Then execute the following command (replace hostname, username, password  with the credentials provided in the Active Directory monitor):
   .\ADDiagnosticTests.ps1 'hostname' 'username' 'password' 'Connectivity,Advertising,SysVolCheck,KccEvent,RidManager,MachineAccount,LocatorCheck,FrsEvent,DFSREvent,NetLogons,ObjectsReplicated,VerifyReferences,Intersite,CrossRefValidation,CheckSDRefDom'
   💡 Tip: Review the output for any failures or warnings.
7. Resolve any errors reported in the script output.

Run Direct Command on AD Server

8. If issues persist, open PowerShell as the Administrator on the AD server directly and run the below command:
   dcdiag
9. Check the dcdiag output to ensure if the data is shown correctly.