Summary
Deleting a tape library from the Configure Devices window fails with rc=3667, even if you are logged in as sysadmin. To resolve this issue, remove the tape library assignment for all users.
Symptoms
Even if you are logged in as sysadmin, you are unable to delete the tape library in the Configure Devices window. The system reports rc=3667.
Resolution
This error indicates that the tape library device pool is assigned to one or more users as a resource. Even as sysadmin, you are unable to delete the tape library in the Configure Devices window if other users have privileges to the library.
To resolve this issue, in the DPX management console, select Configure > Administrator, right-click the tape library and select Unassign. You can now delete the tape library.