Citrix IMA service issues

If Citrix is giving you grief because IMA won't start after unjoining and rejoining a farm, do the following:
IMA Service Fails to Start and MFCOM Service Hangs in a Starting State
Document ID: CTX127922 / Created On: 20-Jan-2011 / Updated On: 20-Oct-2011
Average Rating: (5 ratings)
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Symptoms
IMA Service fails to start and MFCOM Service hangs in a Starting state.
Event ID: 7024
The Independent Management Architecture service terminated with service-specific error: 2147483649 (0x80000001).
- Or –
The IMA service terminated with service-specific error: 2147483647
Cause
When looking into the services manager, the MFCOM Service is in status “starting”. MFCOM and IMA Service fail to start because of a corrupt radeoffline DB.
Note: This issue also occurs after an incomplete or corrupted install of a Citrix Hotfix. Make sure you terminate the MFCOM32.exe as instructed below and re-install the hotfix properly. This can also ensure that the MFCOM Service will start successfully.
Resolution
Stop the mfcom.exe service using Task Manager.
Execute the following commands:
Dsmaint recreatelhc
Dsmaint recreaterade
Start the IMA Service and MFCOM Service.