Question : WSUS SP 1 Uninstall failure on SBS 2003 SP2. Can't reinstall or do anything.

I had WSUS installation on a Server SBS 2003 Sp2 box that was corrupt. It was giving me errors that the ##SEE Instance could not be found, and indeed it had magically disappeared. I tried to uninstall WSUS to reinstall it and fix the problem, but the uninstall failed and I've been struggling to resolve this. I've used this link to try and resolve it but none of those solutions have helped.

http://forums.techarena.in/server-update-service/879874.htm
http://blogs.msdn.com/b/astebner/archive/2005/12/08/501885.aspx

Here's the log that is generated when I try to reinstall the WSUS

2010-07-19 11:30:51 Success MWUSSetup Validating pre-requisites...
2010-07-19 11:30:54 Error MWUSSetup CSetupDriver::LaunchSetup: Setup is cancelled or an error occurred (Error 0x80070642: User cancelled installation.)
2010-07-19 11:30:54 Success MWUSSetup User cancelled the setup
2010-07-19 11:30:55 Error MWUSSetup DoInstall: Wsus setup failed (Error 0x80070642: User cancelled installation.)
2010-07-19 11:32:26 Success MWUSSetup Validating pre-requisites...
2010-07-19 11:32:33 Success MWUSSetup Removing Wsus...
2010-07-19 11:32:35 Success CustomActions.Dll Successfully set propery of WSUS admin groups' full names
2010-07-19 11:32:51 Error CustomActions.Dll CSqlConnection::Open: Failed to open SQL connection to instance WEB-SERVER\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 11:32:51 Error CustomActions.Dll GetDatabaseLocation: Failed to open connection to SQL instance %computername%\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 11:32:51 Error CustomActions.Dll SetWyukonInstallDirProperty: Failed to get installed location of SUSDB in WYukon (Error 0x80004005: Unspecified error)
2010-07-19 11:32:51 Error CustomActions.Dll SetUnInstallProperties: Failed to set WYUKON install directory (Error 0x80004005: Unspecified error)
2010-07-19 11:32:51 Error MWUSSetup RemoveWsus: MWUS Uninstall Failed (Error 0x80070643: Fatal error during installation.)
2010-07-19 11:32:51 Error MWUSSetup Wsus MSI uninstallation failed. (Error 0x80070643: Fatal error during installation.)
2010-07-19 11:32:51 Error MWUSSetup CSetupDriver::LaunchSetup: Setup failed (Error 0x80070643: Fatal error during installation.)
2010-07-19 11:32:55 Error MWUSSetup DoInstall: Wsus setup failed (Error 0x80070643: Fatal error during installation.)
2010-07-19 11:41:25 Success MWUSSetup Validating pre-requisites...
2010-07-19 11:41:41 Error MWUSSetup CSqlConnection::Open: Failed to open SQL connection to instance WEB-SERVER\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 11:41:41 Error MWUSSetup CUpgradeDriver::PerformPreSetupActions: Failed to open connection to SQL instance %computername%\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 11:41:41 Error MWUSSetup CSetupDriver::LaunchSetup: Failed to perform pre-setup actions (Error 0x80004005: Unspecified error)
2010-07-19 11:41:41 Error MWUSSetup CProgressManager::EnableCancel: GetDlgItem returning error (Error 0x80070578: Invalid window handle.)
2010-07-19 11:41:58 Error MWUSSetup CWatsonHelper::Init: Failed to load WER library. (Error 0x8007007E: The specified module could not be found.)
2010-07-19 11:41:58 Error MWUSSetup CSetupDriver::ReportFailure: Failed to initalize the CWatsonHelper. This is expected on pre-Vista machines. (Error 0x80004005: Unspecified error)
2010-07-19 11:41:58 Error MWUSSetup DoInstall: Wsus setup failed (Error 0x80004005: Unspecified error)
2010-07-19 12:07:12 Success MWUSSetup Validating pre-requisites...
2010-07-19 12:07:29 Error MWUSSetup CSqlConnection::Open: Failed to open SQL connection to instance WEB-SERVER\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 12:07:29 Error MWUSSetup CUpgradeDriver::PerformPreSetupActions: Failed to open connection to SQL instance %computername%\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 12:07:29 Error MWUSSetup CSetupDriver::LaunchSetup: Failed to perform pre-setup actions (Error 0x80004005: Unspecified error)
2010-07-19 12:07:29 Error MWUSSetup CProgressManager::EnableCancel: GetDlgItem returning error (Error 0x80070578: Invalid window handle.)
2010-07-19 12:07:46 Error MWUSSetup CWatsonHelper::Init: Failed to load WER library. (Error 0x8007007E: The specified module could not be found.)
2010-07-19 12:07:46 Error MWUSSetup CSetupDriver::ReportFailure: Failed to initalize the CWatsonHelper. This is expected on pre-Vista machines. (Error 0x80004005: Unspecified error)
2010-07-19 12:07:46 Error MWUSSetup DoInstall: Wsus setup failed (Error 0x80004005: Unspecified error)
2010-07-19 12:08:59 Success MWUSSetup Validating pre-requisites...
2010-07-19 12:09:16 Error MWUSSetup CSqlConnection::Open: Failed to open SQL connection to instance WEB-SERVER\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 12:09:16 Error MWUSSetup CUpgradeDriver::PerformPreSetupActions: Failed to open connection to SQL instance %computername%\MICROSOFT##SSEE (Error 0x80004005: Unspecified error)
2010-07-19 12:09:16 Error MWUSSetup CSetupDriver::LaunchSetup: Failed to perform pre-setup actions (Error 0x80004005: Unspecified error)
2010-07-19 12:09:16 Error MWUSSetup CProgressManager::EnableCancel: GetDlgItem returning error (Error 0x80070578: Invalid window handle.)
2010-07-19 12:10:08 Error MWUSSetup CWatsonHelper::Init: Failed to load WER library. (Error 0x8007007E: The specified module could not be found.)
2010-07-19 12:10:08 Error MWUSSetup CSetupDriver::ReportFailure: Failed to initalize the CWatsonHelper. This is expected on pre-Vista machines. (Error 0x80004005: Unspecified error)
2010-07-19 12:10:08 Error MWUSSetup DoInstall: Wsus setup failed (Error 0x80004005: Unspecified error)
2010-07-19 12:12:57 Success MWUSSetup Validating pre-requisites...
2010-07-19 12:12:57 Error MWUSSetup CUpgradeDriver::PerformPreSetupActions: Failed to read SqlServerName registry value (Error 0x80070002: The system cannot find the file specified.)
2010-07-19 12:12:57 Error MWUSSetup CSetupDriver::LaunchSetup: Failed to perform pre-setup actions (Error 0x80070002: The system cannot find the file specified.)
2010-07-19 12:12:57 Error MWUSSetup CProgressManager::EnableCancel: GetDlgItem returning error (Error 0x80070578: Invalid window handle.)
2010-07-19 12:13:03 Error MWUSSetup CWatsonHelper::Init: Failed to load WER library. (Error 0x8007007E: The specified module could not be found.)
2010-07-19 12:13:03 Error MWUSSetup CSetupDriver::ReportFailure: Failed to initalize the CWatsonHelper. This is expected on pre-Vista machines. (Error 0x80004005: Unspecified error)
2010-07-19 12:13:03 Error MWUSSetup DoInstall: Wsus setup failed (Error 0x80070002: The system cannot find the file specified.)
2010-07-19 12:15:25 Success MWUSSetup Validating pre-requisites...
2010-07-19 12:15:25 Error MWUSSetup CUpgradeDriver::PerformPreSetupActions: Failed to read SqlServerName registry value (Error 0x80070002: The system cannot find the file specified.)
2010-07-19 12:15:25 Error MWUSSetup CSetupDriver::LaunchSetup: Failed to perform pre-setup actions (Error 0x80070002: The system cannot find the file specified.)
2010-07-19 12:15:25 Error MWUSSetup CProgressManager::EnableCancel: GetDlgItem returning error (Error 0x80070578: Invalid window handle.)

Answer : WSUS SP 1 Uninstall failure on SBS 2003 SP2. Can't reinstall or do anything.

This article solved my problem. I did everything in this article, and was able to reinstall WSUS SP 1.

http://social.technet.microsoft.com/Forums/en-US/winserverwsus/thread/6d14231f-50f0-4a3c-b9f1-417e1efdb288

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