Forum Discussion
AlexFranco
Mar 13, 2026Copper Contributor
Add-PublicFolderClientPermission: Object reference not set to an instance of an object.
Running into an issue with adding public folder permissions in Exchange Online. I've used this PowerShell script for a few years without any issues, but suddenly getting this error no matter what I t...
Maluks
Mar 16, 2026Iron Contributor
I have the exact same issue since last week. Today I've tried to open MS support case and I was led to this screen. Apparently it's a known issue and MS is working on it in the background.
It would be nice that Microsoft at least reflected this in the service health.