From time to time we need to restore a customer’s Distribution database to a secondary server or to a lab server for testing. When you restore a distribution database it will not be configured to execute Replication commands such as sp_browsereplcmds. However, there is a simple solution. You can execute the command below to configure the restored distribution database as a “Replication Distribution” database.
Once configured, the restored database shows up in the Distributor properties
You can now run commands such as sp_browsereplcmds to explore data in the Distribution database