I want to check whether any SDL Web 8 CME website related information (like host headers, port information etc.) is stored in any table in Tridion_CM database. When I try to install, I am getting an error mentioning the Host Header combination for the new website already exists.

1 Answer 1


This error you receive during the installation is most likely because in IIS, you have already a website configured running on the port or host header you specify during the install.

The solution is either to stop/delete any of the websites already defined in IIS (provided they are not used right now), or specify a different port or host header in the SDL web installation wizard.

You can find more information about bindings in IIS here : https://blogs.technet.microsoft.com/chrad/2010/01/24/understanding-iis-bindings-websites-virtual-directories-and-lastly-application-pools/

  • Thanks, I'll check, although I have already deleted all the websites at this port, may be I need to check TCP ports or something. Thanks again....
    – user2730
    Aug 8, 2018 at 6:22

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