We had the requirement to migrate our cluster to a different domain. We knew that Microsoft does not recommend to migrate the existing cluster to a different domain (Read http://support.microsoft.com/kb/269196 ). The business could not afford the time to build a new cluster in the target domain and move the databases to the SQL Server instance created on target cluster. We uninstalled the SQL server after backing up each database. Server team removed the nodes from the cluster and then moved each node to a new domain. We then installed the SQL Server and attached (since time was constraint) each databases back. All the databases were running fine and we could use them. We restored the master and msdb database so that all the logins, jobs and integration packages are back in place. Later while setting up distribution for replication we faced the first error: There is no remote user 'distributor_admin' mapped to local user '(null)' from the remote server 'repl_dist...