Are you seeing request documents in admin4.nsf not being processed? You generally won’t see any console activity when running Adminp commands, so make sure you’re troubleshooting a real problem.
Ensure that the ID file was updated. If it was not, then they have not logged in to accept the change. Also ensure that the location document’s domain field is set correctly.
Subject: For a certifier change, there’s a manual step you’re missing
When you initiate a move from Certifier A to Certifier B, then the initial move is performed by someone with access to the certifier id for Certifier A, but there’s a second step that needs to be completed by someone with access to Certifier B.
The whole process is documented in Domino Admin Help (this link is for Domino 8, but it’s much the same in 6.5)