Decommissioning Exchange after Cutover Migration with DirSync/ADSync is enabled

Many companies want to remove their last Exchange server once they have done a cutover migration and have everything on Office365, however the official Microsoft statement is that they don’t recommend it: https://technet.microsoft.com/en-us/library/dn931280(v=exchg.150).aspx Why you may not want to decommission Exchange servers from on-premises When directory synchronization is enabled for a tenant and a user […]