I don’t know about you, but it really bugs me to see dead accounts in the ACLs of mailbox folders. I wrote this PowerShell script to clean them up whenever I see them. It gets a list of all of the folders in a mailbox, checks each one for any permissions entries where the username = “NT User:S-1*”, and removes those entries, leaving all others […]
Every now and then you’ll have a user who has FullAccess to umpteen mailboxes for whatever reason. Cross-forest mailbox migrations, for example. Over time you might lose track of what mailboxes they have access to or why and Outlook starts misbehaving. Shared mailboxes no longer automap in Outlook or they don’t update properly, etc. When you use PowerShell to add FullAccess to another mailbox, you […]