Resolution 1:

Active folder would be missing. Copy the Active folder ”C:\Program Files\Citrix\SMA\Active” from another server and then start the service.

Resolution 2:

To resolve the preceding issue, complete the following procedure:

•Stop the SmaService.exe service by using the Task Manager.
•Citrix SMA Service Properties and under the Log on tab, select Local System Account.
•Set the SMA  Service to Manual and restart it, once the service started.
•Change Citrix SMA Service Properties and under the Log on tab, select Local Service Account.
•Set the SMA  Service to Automatic and restart it.

Resolution 3.

Stop IMA service (Kill both IMASRV and IMAAdvanceSRV) and SMA services (SmaService).
Run “dsmaint recreatelhc”
Start IMA service and then SMA service.