By using the graphical management interface on a server or client node, you can manage the MS DTCs on remote server nodes. Doing so allows the system administrator to use an individual MS DTC installation as a central console for managing MS DTC transactions.
Remote administration of MS DTC requires the user of SQL Server Enterprise Manager to have permissions to the following registry key on the computers on which the MS DTCs reside:
HKEY_CLASSES_ROOT/CID
By default, Windows NT enables remote access to registry entries, so if you wish to prevent users from remotely modifying MS DTC parameters, you should change the permissions on the HKEY_CLASSES_ROOT/CID key and all of its subkeys.
To change permissions for remote accessYou can also assign full permissions to specific users as follows.
To assign full permissions