If i ran the tool against a mailbox of a domain admin, whose security acl was not inheriting permissions, thus the send as permission for my mailbox update user was not set - it seems as though no meeting updates were sent out?

Q: If i ran the tool against a mailbox of a domain admin, whose security acl was not inheriting permissions, thus the send as permission for my mailbox update user was not set - it seems as though no meeting updates were sent out?
A: create a new admin account to run the rebase tool and refer to the KB article 930879. See the link http://blogs.technet.com/dst2007/archive/2007/03/01/do-you-advise-admins-to-create-a-new-admin-account-to-run-the-rebasing-tool.aspx