Keeping IIS during Windows 2003 Upgrade

Related Categories: IIS

By default Windows 2003 does not install IIS 6.0. If you are performing an upgrade from Windows 2000 you will loose IIS, your virtual sites, and all other web server configurations (e.g. CFMX connectors). My recommendation is generally to wipe the box and reinstall -- backing up all of your configuration information. However Microsoft provides three ways of preventing the IIS from being disable -- which are documented in the Read1st.txt on the CD:

1. Run the IIS Lockdown Tool
2. Create the key    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W3SVC
   \RetainW3SVCStatus\do_not_disable with the DWORD value of 1
3. Add the entry "DisableWebServiceOnUpgrade = false" to your unattended install script

For more information check you Windows 2003 documentation and/or see the Ensuring That the WWW Service is Enabled After Upgrade article on Microsoft's site.

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