i'm aware of the shell command add-mailboxpermission etc.. But this only works for one box at a time as far as i can see. My domain admin account doesnt have rights to all the boxes for some reason, so i wanted a way to add this right to all mailboxes at once.. Is there such a way to do so? Thanks in advance

Do it at the database level. An example cmdlet is posted here: http://www.robichaux.net/blog/2006/10/assigning_service_account_access_in_exch.php

markm75c wrote: i'm aware of the shell command add-mailboxpermission etc.. But this only works for one box at a time as far as i can see. My domain admin account doesnt have rights to all the boxes for some reason, so i wanted a way to add this right to all mailboxes at once.. Is there such a way to do so? Thanks in advance Neil's right, but if you wanted to do that, you could pipe it. get-mailbox | where { $_.condition -eq "whatever" } | add-mailboxpermission