Cannot run a job to update table on a linked server
The SQL Server 2012 builds that were released after SQL Server 2012 was released. You must apply a SQL Server 2012 hotfix to an installation of SQL Server 2012. The fix for this issue was released in Cumulative Update 1 for SQL Server 2012.  For more detail please read:
https://support.microsoft.com/en-in/help/2652582/fix-invalid-authorization-specification-error-message-when-you-run-the