Author: Jackie Chen

Hyper-V: A device attached to the system is not functioning


We have a Windows 2008 Hyper-V cluster VM failed every night in the past week. And it gives me the error: 'VM-01' Microsoft Emulated IDE Controller (Instance ID {83F84444B-8DCA-4152-9EDA-2CA8B33034B8}): Failed to Power on with Error 'A device attached to the system is not functioning.' (0x8007001F). (Virtual machine ID 1241E22E-E750-44C7-91F7-7588C8FBB9AE) After a quick search, I found … Continue reading Hyper-V: A device attached to the system is not functioning →

List Running Processes Test Failed in Cluster Validation


If the Windows 2008 cluster validation failed to list the running process on some nodes, you can try to restart the process that has high handle counts. Use the PowerShell command to list the handlecounts in order - gwmi win32_process –computer localhost | sort handlecount | select name, handlecount In my example, the the CcmExec.exe … Continue reading List Running Processes Test Failed in Cluster Validation →

VSS Issues on Windows 2003 Servers


Using VSS backup against the SQL server that is on Windows 2003 servers looks to me is always problematic. Here are some good articles talking about how to troubleshoot. http://support.microsoft.com/kb/940032 http://sql-blogs.com/2012/01/17/troubleshooting-vss-writer-issues/ http://blogs.msdn.com/b/sqlserverfaq/archive/2009/04/28/informational-shedding-light-on-vss-vdi-backups-in-sql-server.aspx

TSM 6.3: Object reference not set to an instance of an object.


ISSUE TSM for SharePoint backup job failed with error message: (Type) Site Collection (Path) Error message: Build content file error:System.NullReferenceException: Object reference not set to an instance of an object. CAUSE DocAve can’t call SharePoint API to discover this user from user information list to backup if the corresponding user is moved from SharePoint site. … Continue reading TSM 6.3: Object reference not set to an instance of an object. →

TSM 6.3: (Type) Site Collection (Path) Error message: An error occurred while backup a list. Id:00000000-0000-0000-0000-000000000000, Url:00000000-0000-0000-0000-000000000000.Object reference not set to an instance of an object.


ISSUE TSM for SharePoint backup job completed with exception: (Type) Site Collection (Path)  Error message: An error occurred while backup a list. Id:00000000-0000-0000-0000-000000000000, Url:00000000-0000-0000-0000-000000000000.Object reference not set to an instance of an object. CAUSE DocAve agent does not have full control on user profile service application. SOLUTION REFERENCE https://www-304.ibm.com/support/docview.wss?uid=swg21567334