Uninstall Exchange Server 2003 from a SBS 2003 or Windows Server 2003 when migrating to a newer OS Uninstalling Exchange Server 2003 is a prerequisite for demoting the SBS after a migration. We need to clear the value msExchHomeServerName because that blocks the uninstall. We run a Powershell script with Get-ADUser | Set-ADUser and modify msExchHomeServerName uninstall, msExchHomeServerName Read More