1. Login to the server as local Administrator. Then go to a DOS prompt and enter:

net stop crmdmgtd

2. Go to C:\program files\CSCOpx\bin and issue:

perl dbRestoreOrig.pl dsn=dfmInv dmprefix=INV npwd=cisco
perl dbRestoreOrig.pl dsn=dfmFh dmprefix=FH npwd=cisco
perl dbRestoreOrig.pl dsn=dfmEpm dmprefix=EPM npwd=cisco

*Note: The above assumes you use "cisco" as the database password. Change it to whatever you like.

3. Go to NMSROOT\CSCOpx\objects\smarts\local\repos\icf\.

4. Delete the files DFM.rps, DFM1.rps (DFM1 only in LMS 3.0 or above):

del DFM.rps
del DFM1.rps

5. Type:

net start crmdmgtd

  Check the below DOC which contains similar steps and details about database troubleshooting:

https://supportforums.cisco.com/docs/DOC-8796