VB Scripts:

1. The .vbs scripts are used to collect Performance Metrics in WMI mode.
   
2. Below are the scripts used:
   
1. wmicheckauthentication.vbs - Performs authentication checks for the monitor
2. wmiQueryExecuter.vbs & cookwmiget.vbs - Fetches common counters
3. ADReplicationData.vbs - Retrieves Replication Statistics
3. For information on WMI classes and counters, refer to Self Help Tools or the ActiveDirectory.bat file present in <Applications Manager Home>\bin\troubleshooting directory.
   

PowerShell Scripts:

1. ADTimeSyncTest.ps1
   
1. Fetches Time Synchronization metrics.
   
2. Determines whether the monitored AD server is a Primary DC or not.
3. Command used in the script: 
        w32tm /monitor
4. Refer to this KB article for more details.
   
2. PortConnectivity.ps1 & ActiveDirectoryPorts.ps1
   
1. Fetches Active Directory Port Connectivity details.
   
2. The ports to be monitored are listed in ActiveDirectoryPorts.ps1 script.
3. Commands used in PortConnectivity.ps1 script:
        Test-NetConnection
             (If this fails, the following command is used)
        Net.Sockets.TcpClient.Connect($hostname, $port)
4. Refer to this KB article for more information.
   
3. ADDiagnosticTests.ps1
   
1. Runs Diagnostic Tests and retrieves results from the AD server.
   
2. Command used in the script:
        dcdiag
3. Refer this KB article for more details.