Computers with same UUID 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF'

Steps

1. Verify that you have a valid backup of upKeeper database or make a backup before next step.  Verifying backup or making a backup is not covered in this article. If not familiar with Microsoft SQL, please contact your database administrator.
2. Open Microsoft SQL Server Management Studio.
3. Connect to database server were the upKeeper database is installed with a user that have the permissions to update tables.
4. Open a new query from the File menu or the toolbar.
5. Select the upKeeper database in the dropdown for available databases.
6. Copy the following script to the query window and execute. If execution failed, look thru description and try to find out what went wrong and take action.

CREATE TRIGGER CHECK_UUID ON COMPUTERS AFTER INSERT,UPDATE AS
 
UPDATE
                          Computers
SET
                          UUID = '00000000-0000-0000-0000-000000000000'
FROM
                          Computers C
JOIN
                          Inserted I
ON
                          C.Id = I.Id
WHERE
                          I.UUID = 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF'