https://community.hpe.com/t5/disk-enclosures/event-id-11/m-p/2484465#M978 What Server are you using ? If you have a Server with the Integrated Smart Array Controller installed , remove that controller from the Server . Fri, 19 Jan 2001 00:00:01 GMT Ayman Altounji 2001-01-19T00:00:01Z https://community.hpe.com/t5/disk-enclosures/event-id-11/m-p/2484464#M977 When NT starts it write this to then Event Log : <BR /> <BR />Source : cpqarry2 <BR />Event : 11 <BR />The driver detected a controller error on \Device\ScsiPort1. <BR /> <BR />What is wrong ? I can see any errors in CIM <BR /> <BR />- Romme Fri, 19 Jan 2001 00:00:00 GMT https://community.hpe.com/t5/disk-enclosures/event-id-11/m-p/2484464#M977 Ayman Altounji 2001-01-19T00:00:00Z https://community.hpe.com/t5/disk-enclosures/event-id-11/m-p/2484465#M978 What Server are you using ? If you have a Server with the Integrated Smart Array Controller installed , remove that controller from the Server . Fri, 19 Jan 2001 00:00:01 GMT https://community.hpe.com/t5/disk-enclosures/event-id-11/m-p/2484465#M978 Ayman Altounji 2001-01-19T00:00:01Z