Problem:
When deleting a SQL job, receive this error: “Cannot add, update, or delete a job (or its steps or schedules) that originated from an MSX server.”
Diagnosis:
SQL is confused because the server was recently renamed
Solution:
DECLARE @srv sysname
SET @srv = CAST(SERVERPROPERTY(‘ServerName’) AS sysname)
UPDATE sysjobs SET originating_server = @srv
Source: