The MeetingMaker issue has been resolved. Access is now available.
The issue involving user logins to the Allegheny Domain has been resolved. An issue with a backup domain controller has been corrected. The firewall settings have also been updated. This may have also caused an issue with access to file shares. You may need to reboot the computer so the account permissions are updated.
An issue has been discover that is affecting access to the Meeting Maker server. Some users are not able to access MeetingMaker. The IT administrator is working on the issue.