Hello. I have a question about the migration of a primary server.

We have migrated our primary server from one physical server to a virtual server. We have kept to the instructions in owners manual. The migration was completed with no error (database import, content-repo, certificate .....). All clients can also communicate with the server without problems.
Now we have noticed that in the server list 2 server objects are displayed. But we have only one primary server. One of the server objects on behalf a long series of numbers.

Does anyone have any idea what that means second server object?

Thank you very much
best regards