Potential Causes

• The Database Host specified is that of a shard or a replica set. The primary/master host must be mentioned while setting up the connection.

Suggested Actions

• Verify that the hostname entered in the Configure your Source page has the primary/master hostname.

• If MongoDB version 4.0 or above is used, select Change Streams as the Pipeline mode.

• Invite another team member with the required privileges to set up the Pipeline. Read Inviting and Moderating Team Members.