http://wmug.co.uk/wmug/b/r0b/archive/2010/05/11/configmgr-backup-failure-error-145.aspxWe had backup failure on two of our Primaries, the root cause of which seemed to stem from file locks being present on the files in the backup folder while the backup is running. I scheduled a job to run just before the backup to collect any file handlesen-US6.x Productionhttp://wmug.co.uk/wmug/b/r0b/archive/2010/05/11/configmgr-backup-failure-error-145.aspx#3355Tue, 31 Aug 2010 19:15:47 GMT10c3822e-6a55-4a1a-8d52-5181c69a645b:3355Rob Marshall - MVP<p>And here is a link to technet blog talking about the very same issue, I think they produced their article from the MS CSS case we had to open to sort this problem out ... they left out any reference to agent scheduling and leave the implication in place that this only happens when two VSS capable runs take place, we get the 145 in the above problem, and we know SINV is not VSS aware ...</p> <p>blogs.technet.com/.../solution-system-center-configuration-manager-2007-backups-fail-with-win32-error-145.aspx</p> <div style="clear:both;"></div><img src="http://wmug.co.uk/aggbug.aspx?PostID=3355&AppID=7&AppType=1&ContentType=0" width="1" height="1">