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If you have a Citrix XenApp environment and change your SQL server, you will need to edit your mf20.dsn with the new server name. Located at:

C:\Program Files (x86)\Citrix\Independent Management Architecture\mf20.dsn

If you changed your SQL credentials, you will need to specify the new user name as well here. If you just change the password only and nothing else, you don’t need to edit your mf20.dsn file. But you will still need to set the new password or the IMA Service won’t start.

Once you make whatever changes you need to the mf20.dsn or not if it’s just a password change, do the following:

1. Go to Services and stop the IMA service (Citrix Independent Management Architecture) if it is still running.

2. Open command line and Navigate to:

C:\Program Files (x86)\Citrix\Independent Management Architecture

3. Type:

dsmaint config /user:yourdomain\youraccount /pwd:yourpassword /dsn:"C:\Program Files (x86)\Citrix\Independent Management Architecture\mf20.dsn"

4. Restart the IMA Service

5. You can also recreate the local host cache database (LHC database) if you have issues starting the IMA service after this. Type:

dsmaint recreatelhc

then restart the IMA Service. It will populate the cache immediately with info from the datastore.

More of my posts you might like:

1. Getting admin access on a SQL Server when you don’t know the SA account password
2. How to reset the root user account for a MySQL database
3. Changing the host header for an already existing Sharepoint site/application
4. How to get the IUSR and IWAM user account passwords on an IIS server
5. How to force an uninstall of Citrix XenApp or Presentation Server via command line