ReportServicesConfigUI.WMIProvider.WMIProviderException: The report server cannot open a connection to the report server database. A connection to the database is required for all requests and processing. (rsReportServerDatabaseUnavailable) at ReportServicesConfigUI.WMIProvider.RSReportServerAdmin.ThrowOnError(ManagementBaseObject mo) at ReportServicesConfigUI.WMIProvider.RSReportServerAdmin.ListReportServersInDatabase(RSReportServerInfo[]& serverInfos) got more info, when edit the ssrs properties , got error TITLE: Edit Server Registration Properties ------------------------------ Testing the registered server failed. Verify the server name, login credentials, and database, and then click Test again. ------------------------------ ADDITIONAL INFORMATION: Report Server WMI Provider error: Invalid namespace (Microsoft.SqlServer.Management.UI.RSClient) ------------------------------ Invalid namespace (System.Management) ------------------------------ BUTTONS: OK ------------------------------ tried another instance: TITLE: Edit Server Registration Properties ------------------------------ Testing the registered server failed. Verify the server name, login credentials, and database, and then click Test again. ------------------------------ ADDITIONAL INFORMATION: Unable to connect to the server at myinstanencename. The specified URL might not be valid or there might be a problem with the report server version or configuration. Specify a different URL, or contact your server administrator to verify that the report server runs SQL Server 2008 or later. Additionally, if you are trying to connect to a SharePoint-integrated report server, verify that SharePoint is installed on the server and that the report server uses SharePoint integrated mode. (Microsoft.SqlServer.Management.UI.RSClient) ------------------------------ BUTTONS: OK ------------------------------ Assembly Version: 10.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- jlp1g5u3 Assembly Version: 10.0.0.0 Win32 Version: 2.0.50727.3053 (netfxsp.050727-3000) CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- Microsoft.SqlServer.Management.RegisteredServersUI Assembly Version: 10.0.0.0 Win32 Version: 10.0.1600.22 ((SQL_PreRelease).080709-1414 ) CodeBase: file:///C:/Program%20Files/Microsoft%20SQL%20Server/100/Tools/Binn/VSShell/Common7/IDE/Microsoft.SqlServer.Management.RegisteredServersUI.DLL ---------------------------------------- Microsoft.VisualStudio.CommonIDE Assembly Version: 8.0.0.0 Win32 Version: 8.0.50727.1826 CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/Microsoft.VisualStudio.CommonIDE/8.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualStudio.CommonIDE.dll ---------------------------------------- Microsoft.SqlServer.Management.RegisteredServersStandardUI Assembly Version: 10.0.0.0 Win32 Version: 10.0.1600.22 ((SQL_PreRelease).080709-1414 ) CodeBase: file:///C:/Program%20Files/Microsoft%20SQL%20Server/100/Tools/Binn/VSShell/Common7/IDE/Microsoft.SqlServer.Management.RegisteredServersStandardUI.DLL ---------------------------------------- ************** JIT Debugging ************** To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled. For example: <configuration> <system.windows.forms jitDebugging="true" /> </configuration> When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box.

Is this because I cannot install SSRS 2005 and 2008 on one machine(two instance name)?