Workaround for SQL Server2005 job execution failure

Database: SQL Server 2005,
Operating environment: Windows Server 2008
All jobs in the database fail to execute, including automatic execution and manual execution. The error reports that you see in the Event Viewer are as follows:

The job failed. Unable to determine if owner Aaa/administrator (owning job backup-AAA) has server access (reason: Unable to get information about Windows NT Group/user ' Aaa/administrator ', error code 0x534. [SQLSTATE 42000] (Error 15404)).

Cause: Previously modified user name of the operating system;

Steps to resolve:

1.SQL Server Agent

2. Job

3. Select the corresponding job, double-click Open-General-owner-Select the login name, whether or not the same as the current name, are re-selected, OK, yes.

Workaround for SQL Server2005 job execution failure