Our LEA migrated our database over to a new server last week. Ever since our users are getting strange logon behaviour. Sometimes they get a login failure reason 0. The only way to get these users back on the system is to make them inactive re-add them and change name and password. They then can login for a day or two but the problem comes back.

The LEA aren't giving us any reasons why this is happening but say the database was corrupted due to some users trying to access it while the migration was done. They have even restored it to when the crisis began but to no avail.

Anyone had similar problems?