I think* I may have come across the answer ( but will not test till after hours) evidently disabling VSS was not adequate, according to this article I need to delete shadow copies
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/Windows_Server_2012/Q_27986983.html vssadmin delete shadows /for=c: /all I will confirm my findings tommorow Thanks Jean-Paul Natola From: [email protected] To: [email protected] Subject: RE: [NTSysADM] shrinking OS volume fails and crashes Date: Mon, 31 Mar 2014 14:00:48 +0000 I’d recommend starting with a boot-time chkdsk. From: [email protected] [mailto:[email protected]] On Behalf Of J- P Sent: Monday, March 31, 2014 9:56 AM To: [email protected] Subject: [NTSysADM] shrinking OS volume fails and crashes Hi all, After having deleted a huge directory (400GB) I am unable to shrink the volume (2012 r2 ) Disk mgmnt, shows capacity 1024GB free space 980.84GB 96& free in defrag , or Optimization as its called now, shows 50% space efficiency , is there something I'm missing And it doesn't matter if I try to shrink it by 1 , 10 or 100 GB the system just crashes, then upon restart i get windows had an error any help would be appreciated

