Article ID: 120220, created on Feb 19, 2014, last review on Sep 26, 2016

  • Applies to:
  • Operations Automation 5.5
  • Plesk 12.5 for Windows
  • Plesk 12.0 for Windows
  • Plesk 11.5 for Windows
  • Plesk 10.4 for Windows


Domain renaming in Plesk or Horde site startup in IIS Manager fails with error:

    This Web site cannot be started. Another Web site may be using the same port.


Duplicate host headers/bindings in IIS.


  1. Open Windows PowerShell and execute the following script:

    Get-WebBinding | % {
        $name = $_.ItemXPath -replace '(?:.*?)name=''([^'']*)(?:.*)', '$1'
        New-Object psobject -Property @{
            Name = $name
            Binding = $_.bindinginformation.Split(":")[-1]
    } | Group-Object -Property Name | 
    Format-Table Name, @{n="Bindings";e={$_.Group.Binding -join "`n"}} -Wrap
  2. Find the duplicates in the output. For example:                                 <- duplicate
                                               <- duplicate
  3. Open IIS > Expand the Web Sites > Right click on a web site > Select Bindings and remove duplicates.

  4. Restart the website in IIS.

Search Words

404 file not found

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a member could not be added to or removed from the local group because the member does not exist.

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