You need to pass the function itself (not a call to the function in the ScriptBlock). I had the same need just last week and found this SO discussion So your code will become: Invoke-Command -ScriptBlock ${function:foo} -argumentlist “Bye!” -ComputerName someserver.example.com -Credential [email protected] Note that by using this method, you can only pass parameters into … Read more
The error message is giving you most of what you need. This isn’t just about the TrustedHosts list; it’s saying that in order to use an IP address with the default authentication scheme, you have to ALSO be using HTTPS (which isn’t configured by default) and provide explicit credentials. I can tell you’re at least … Read more
The problem with Get-Credential is that it will always prompt for a password. There is a way around this however but it involves storing the password as a secure string on the filesystem. The following article explains how this works: Using PSCredentials without a prompt In summary, you create a file to store your password … Read more
In PowerShell 4 (3+ actually) the easiest way is to use the Using scope modifier: Invoke-Command -ComputerName winserver -ScriptBlock { Get-FileHash E:\test\$Using:dest.zip -Algorithm SHA1 } For a solution that works with all versions: Invoke-Command -ComputerName winserver -ScriptBlock { param($myDest) Get-FileHash E:\test\$myDest.zip -Algorithm SHA1 } -ArgumentList $dest