Connect-PnPOnline: Unable to connect to the remote server

[imran7799]

HI All,

I am facing an issue using Connect-PnPOnline to connect to a SharePoint site on one of my client's environment from Azure Automation Job (Or Azure Function).

Command I am using to Connect:
Connect-SPOService -Credential $SPCredential -Url $SPSiteURL

Scenario:
I am able to connect to same environment using same credentials if I run the command from my local computer. However, the same command doesn't work when I run it on Azure Automation Runbook. I tried different credentials as well but have same issue. From Azure Automation I am able to connect to other client's environment. So the issue is only with this specific one.

Detailed Error Message
_Exception while executing function: Functions.PnPTest. Microsoft.Azure.WebJobs.Script: PowerShell script error. SharePointPnP.PowerShell.Online.Commands: Unable to connect to the remote server.

System: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond {IPAddress}:443._

Has anyone faced such issue before, I have limited access to the environment so I am not able to see any firewall or security settings.