AutoSPInstallerModule.psm1 - Line 2882 - Fails to get existing web app for HNSC on multiple servers

[SPDEVGUY]

• Creating Web App "Portal" New-SPWebApplication : The directory C:\inetpub\wwwroot\wss\VirtualDirectories\Portal-443 is already being used by another IIS Web Site. Choose a different root directory for your new Web application. At C:\InstallScripts\SP\Automation\AutoSPInstallerModule.psm1:2886 char:9
  • New-SPWebApplication -Name $webAppName -ApplicationPool $appP ...
  • CategoryInfo : InvalidData: (Microsoft.Share...PWebApplication:SPCmdletNewSPWebApplication) [New-SPWebA pplication], ArgumentException
  • FullyQualifiedErrorId : Microsoft.SharePoint.PowerShell.SPCmdletNewSPWebApplication

Line 2882 - AutoSPInstallerModule.psm1: $getSPWebApplication = Get-SPWebApplication -Identity $fullUrl -ErrorAction SilentlyContinue

Should be: $getSPWebApplication = Get-SPWebApplication -Identity $webAppName -ErrorAction SilentlyContinue

This way it will pick up the web application using the name instead of url, which for host named site collections is created using the machine name.

[SPDEVGUY]

This also affects lines 2917 and 2924: $wa = Get-SPWebApplication -Identity $fullUrl

should be $wa = Get-SPWebApplication -Identity $webAppName

Line 2994: New-SPContentDatabase -Name $siteDatabase -WebApplication (Get-SPWebApplication -Identity $fullUrl

should be: New-SPContentDatabase -Name $siteDatabase -WebApplication (Get-SPWebApplication -Identity $webAppName

[SPDEVGUY]

Specified in my installer config is:

    <WebApplication Name="Portal">
        <Type>Portal</Type>
        <ApplicationPool>SharePoint2019.serverfarm.CA</ApplicationPool>
        <Url>http://localhost</Url>

The localhost is being translated in the script to be the server running it. Perhaps this is not the best practice?

[brianlala]

It's not best practice to use the server name or http://localhost as a SharePoint URL. Use a real DNS name instead, different from the server name.

[UmrG]

What is your scenario? I build multi server environment over the weekend but have not seen this issue. Any thing different may be ?

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From: Brian Lalancette notifications@github.com Sent: Tuesday, March 31, 2020 12:09:03 PM To: brianlala/AutoSPInstaller AutoSPInstaller@noreply.github.com Cc: Subscribed subscribed@noreply.github.com Subject: Re: [brianlala/AutoSPInstaller] AutoSPInstallerModule.psm1 - Line 2882 - Fails to get existing web app for HNSC on multiple servers (#59)

It's not best practice to use the server name or http://localhost as a SharePoint URL. Use a real DNS name instead, different from the server name.

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