Can't Re-Add BB user after deleting in Admin Service

To verify if BlackBerry smartphone user accounts are queued for deletion, perform the following steps:

1. Under BlackBerry Solution Management, expand User.
2. Click Manage Users.
3. In the Search for users menu, click Advanced search.
4. In the Email criteria section of the Advanced Search, select True in the Queued removal of BlackBerry services drop-down box.
5. Click Search.

BlackBerry smartphone users who are pending a deletion, but the process has not completed, will be displayed.

The BlackBerry smartphone user account can be purged from the database or removed immediately from the BlackBerry service by performing the following steps:

1. Click the Display name of the BlackBerry smartphone user that is displayed when searching for BlackBerry smartphone users that are Queued removal of BlackBerry services.
2. Click Immediate removal of BlackBerry services.

After completing this you should be able to re-create the user in BAS immediately!

Re-post from here