Forum Discussion
RyanSteele-CoV
Apr 21, 2026Steel Contributor
Is the Archive mailbox self-help diagnostic working for anyone?
Just curious: is the archive mailbox self-help diagnostic at https://aka.ms/PillarArchiveMailbox working for anyone? When I run it, instead of getting results about the user whose UPN I entered, I ...
VasilMichev
Apr 22, 2026MVP
Same experience here. I've pinged some folks on it, will let you know if I hear back.
- Radzik_PLApr 22, 2026Brass Contributor
It’s not working properly right now.
The diagnostic at "archive mailbox self-help diagnostic" appears to have a bug where it ignores the UPN you enter and instead tries to validate the currently logged‑in admin account, resulting in the “No account was found” error.
The issue occurs at the account identification stage, before the actual diagnostic logic even starts.
I couldn’t find any official KB article or supported workaround for this. At the moment, the only viable option is manual troubleshooting via EAC and/or PowerShell.