Identify and reconnect disabled mailboxes in Exchange Online, 2013 and 2016

For a long time now, Exchange has allowed a grace period, during which mailboxes for deleted or “mail-disabled” AD users are still kept in the database. Sometimes, you might need reconnect such a mailbox to a newly created or pre-existing AD user object. In order for this to work, Exchange needs to know which mailboxes…


Exchange Management Shell Scripts and Update Rollup installations start failing in Exchange 2010

Throughout the last few months, we had several customer support cases and escalations on failing Update Rollup (UR) installations and failing DAG maintenance scripts (or other scripts) in Exchange 2010. Several Exchange 2010 PowerShell scripts, including scripts that are contained within the UR installer, stopped working as expected. Customers started to see errors like:  …