Update Host Header in IIS with Powershell

Question

Goal: Update an existing host header for an IIS7.5 site with powershell

Problem: Set-WebBinding requires the name of t

Answer 1

Give this a try:

Get-WebBinding -HostHeader *.stuff.* | Foreach-Object{
    #$NewHeader = $_.bindingInformation -replace '\.stuff\.','.staff.'
    Set-WebConfigurationProperty -Filter $_.ItemXPath -PSPath IIS:\ -Name Bindings -Value @{protocol='http';bindingInformation=$NewHeader}
}

Answer 2

Modified Shay's answer to support multiple bindings.

Get-WebBinding -HostHeader *.stuff.* | Foreach-Object{
    #$NewHeader = $_.bindingInformation -replace '\.stuff\.','.staff.'
    Set-WebConfigurationProperty -Filter ($_.ItemXPath + "/bindings/binding[@protocol='http' and @bindingInformation='" + $_.bindingInformation + "']") -PSPath IIS:\ -Name bindingInformation -Value $NewHeader
}