http://barmagy.com/blogs/zeros__ones/archive/2009/10/28/64186.aspxVMM maintains job history for the past 90 days. If you want to remove them manually, we need take the following steps to update directly in SQL DB. These steps are valid when you are using SQL Express for VMM DB. 1. Download SQL Management Studioen-USCommunityServer 2.0 (Debug Build: 60217.2664)