Anyone had issues with Microsoft Windows Malicious Software Removal Tool (MSRT) taking a long time to install in the last couple of months?
I manage patching for about 2000 computer in SCCM 2007 and in the last couple of months have notice the MSRT taking more then an hour on some computers.
For example here are the log for one of my test computers for the last few months:-
Microsoft Windows Malicious Software Removal Tool v5.14, July 2014 (build 5.14.10402.0) Started On Thu Jul 10 16:05:06 2014 Engine: 1.1.10701.0 Signatures: 1.177.949.0 Results Summary: ---------------- No infection found. Microsoft Windows Malicious Software Removal Tool Finished On Thu Jul 10 16:10:10 2014 Return code: 0 (0x0) --------------------------------------------------------------------------------------- Microsoft Windows Malicious Software Removal Tool v5.15, August 2014 (build 5.15.10500.0) Started On Thu Aug 14 15:08:04 2014 Engine: 1.1.10802.0 Signatures: 1.179.1796.0 Results Summary: ---------------- No infection found. Microsoft Windows Malicious Software Removal Tool Finished On Thu Aug 14 15:12:26 2014 Return code: 0 (0x0) --------------------------------------------------------------------------------------- Microsoft Windows Malicious Software Removal Tool v5.16, September 2014 (build 5.16.10602.0) Started On Thu Sep 11 15:45:22 2014 Engine: 1.1.10904.0 Signatures: 1.183.882.0 Results Summary: ---------------- No infection found. Microsoft Windows Malicious Software Removal Tool Finished On Thu Sep 11 17:20:06 2014 Return code: 0 (0x0) --------------------------------------------------------------------------------------- Microsoft Windows Malicious Software Removal Tool v5.17, October 2014 (build 5.17.10700.0) Started On Fri Oct 17 16:25:49 2014 Engine: 1.1.11005.0 Signatures: 1.185.2035.0 Results Summary: ---------------- No infection found. Microsoft Windows Malicious Software Removal Tool Finished On Fri Oct 17 18:14:29 2014 Return code: 0 (0x0)
July and Aug both take less than 5min, Sept and Oct take longer than 90min.
In all 4 cases the MSRT is being installed by normal SCCM patching process.
I understand that MSRT has a quick scan mode and a full scan mode I'm just concerned about what has caused it to switch to full scan mode only on some computers.