Some mailboxes are "Failed to load" (build 8664)
Problem reported by Sébastien Riccio - 1/6/2024 at 6:53 AM

After upgrading our production rig from 8251 to 8664, some customers reported their mailbox are unavailable.

Looking at the issue, we see in the accounts list for their domain that the mailbox is "Failed to load".
At this point, if I issue a reload of the domain, the mailbox is back alive.

As we had not yet fully restarted SM since the upgrade (around 1 week of uptime), I thought that it was maybe a good idea to fully restart the service and that it would avoid future issues like this.

But some other customers reported issues with their mailbox. Same problem, mailboxes are "Failed to load" and doing a reload of the domain fix the issue.

Any idea what could cause this ? And most importantly, is there a way to list all mailboxes across all domains, that are currently in "Failed to load" state ?

I'm not very hot to manually check 25000 mailboxes among 5000 domains manually to catch problematic mailboxes.

Also I checked the Error log in troubleshooting for any entries about these mailboxes, but nothing found.

Thanks for the suggestions.

Sébastien Riccio
System & Network Admin

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