[BUG] Connect-PnPOnline behind firewall error: "Host not reachable" version 2.2.0 and above

[ChristopherFoerster]

Reporting an Issue or Missing Feature

Issue confirmed by several users. See https://github.com/pnp/powershell/discussions/3151 Related to Release Release 2.2.0 · pnp/powershell · GitHub

• Improved Connect-PnPOnline cmdlet to handle ping on the destination server to check if it exists. PR and #3154

Expected behavior

Scripts asks for credentials

Actual behavior

Error by command: Host not reachable

Steps to reproduce behavior

Simply run command Connect-PnPOnline -Url "contoso.sharepoint.com" behind a firewall. Proxy set. Command is working well in 2.1.1 and below.

What is the version of the Cmdlet module you are running?

From 2.2.0 to latest 2.4.44 nightly

Which operating system/environment are you running PnP PowerShell on?

• [ X] Windows
• [ ] Linux
• [ ] MacOS
• [ ] Azure Cloud Shell
• [ ] Azure Functions
• [X ] Other : official latest Docker image mcr.microsoft.com/powershell