WSUS reinstall fails: 0x80070643

by getdeclue on May 25, 2015

If you can’t uninstall WSUS and get the error message: Setup Not Completed! Perform these two steps first

Open regedit to: HKLM\Software\Microsoft\Update Services\Server\Setup

Change the value of “wYukonInstalled” to 0 and  “SqlInstanceIsRemote” to 0

The visible message was: There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor. but the log file showed 0x80070643

Successfully reinstalled wsus after deleting:

C:\Windows\SYSMSI\SSEE\MSSQL.2005\MSSQL\Data\susdb.mdf

C:\Windows\SYSMSI\SSEE\MSSQL.2005\MSSQL\Data\susdb_log.ldf.
Install command from admin command prompt was:
c:\WSUS30-KB972455-x64.exe /q DEFAULT_WEBSITE=0 CREATE_DATABASE=1 CONTENT_LOCAL=1 CONTENT_DIR=C:\WSUS WYUKON_DATA_DIR=C:\WSUS

Remember to install update KB2720211 after reinstalling WSUS or some functionality will not work.

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