1. In Applications Manager console, go to Admin -> Performance Polling -> Optimize Data Collection. 


2. Select Active Directory as monitor type and choose the required metric under 'Metric Name'. Select Collect data in every poll option and click Save.


3. Now try polling the monitor and check if data is populated.


4. Check if all the powershell prerequisites are done. The prerequisites can be found here: https://www.manageengine.com/products/applications_manager/help/enabling-powershell.html


1. Check if all the powershell prerequisites are done. The prerequisites can be found here: https://www.manageengine.com/products/applications_manager/help/enabling-powershell.html


2. Open powershell in administrator mode in the Applications Manager-installed machine.


3. Navigate to <Applications Manager Home>\working\conf\application\scripts\powershell directory and execute the below command by replacing the hostname with that of the AD server:

.\PortConnectivity.ps1 'hostname' '' '' 'ActiveDirectoryPorts.ps1'

4. Check the output and try to resolve the errors found, if any.

1. Go to <Applications Manager Home>\working\conf\application\script\powershell folder and open ActiveDirectoryPorts.ps1 file in an editor.
   
2. To add new port to be monitored, add the port name and port number in the below format along with the other ports:
   "<portname>:<portnumber>"  Example: "DNS:53"
3. To remove any ports which are monitored, comment the respective line by using '#' in the beginning of the line.
   Example: # "DNS:53"
4. If any ports have been changed from the default port number in the server, please edit the respective port numbers.
   
5. Save the file after the changes are done. Changes will be effective from the next poll in the monitor.