Modify Registry as per Citrix recommendation for IMA service slow start

1. Login to the server.
2. Stop the IMA service.
3. Take a Backup of the Registry key HKLM\Software\Citrix\MSLicensing or HKLM\Software\Wow6432Node\Citrix\MSLicensing
4. Delete the MS Licensing Key
5. Recreate the Local Host Cache (LHC) and restart IMA