Ah! Sorry 
Med venlig hilsen | Best regards
Claus Topholt
This line fixed our issue (PowerShell 4.0 + Octopus 2.5)
try {Get-WebSite | Out-Null} catch {}
We solved this is a different way; our Tentacles run as a deployment user so we added
Import-module WebAdministration to the Powershell profile for that user
A bit hacky but works very well for us
As I understand, the problem is still not fixed? I’m getting the same error with IIS Virtual Directory — Create script.
Failed: IIS Virtual Directory - Create
20:27:35 Info | Running "IIS Virtual Directory - Create" on "DON"
|
| Failed: Tentacle script execution
20:27:35 Verbose | Running PowerShell script: C:\Windows\system32\config\systemprofile\AppData\Local\Tentacle\Temp\e75262ec-69be-4fdc-bcb4-26fdd921c881.ps1
20:27:37 Info | Virtual path: sitemaps
| Physical path: C:\sitemaps
| Parent site: Zakupki.Front
| Getting web site Zakupki.Front
20:27:38 Error | Get-Website : Could not load file or assembly 'Microsoft.IIS.PowerShell.Framewo
20:27:38 Error | rk' or one of its dependencies. The system cannot find the file specified.
20:27:38 Error | At C:\Windows\system32\config\systemprofile\AppData\Local\Tentacle\Temp\e75262e
20:27:38 Error | c-69be-4fdc-bcb4-26fdd921c881.ps1:75 char:9
20:27:38 Error | + $site = Get-Website -name $parentSite
20:27:38 Error | + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20:27:38 Error | + CategoryInfo : NotSpecified: (:) [Get-Website], FileNotFoundExc
20:27:38 Error | eption
20:27:38 Error | + FullyQualifiedErrorId : System.IO.FileNotFoundException,Microsoft.IIs.Po
20:27:38 Error | werShell.Provider.GetWebsiteCommand
20:27:38 Info | ==============================================
| PowerShell exit code: 1
| ==============================================
20:27:38 Fatal | PowerShell script returned a non-zero exit code: 1
| Tentacle version 2.6.5.1010