Hi,
I am having a very similar issue, and am getting the error message below:
System.Runtime.InteropServices.COMException (0x800706B3)
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementObject.Get()
at ReportServicesConfigUI.WMIProvider.RSReportServerAdmin.SetDatabaseConnection(String server, String database, ConfigurationCredentialsType credsType, String userName, String...