Danny Garner

Force Which Internal Exchange Server  Outlook Uses to Connect   Whether you've moved your Exchange into the cloud or have migrated your Exchange servers and have old Exchange server names haunting you in your network, here is what worked for me.  Another possibility and is, in fact, my issue, where you are in the middle of a migration and the new servers are trying to take over for the old server but you aren't really ready for that yet.  Here is a fix I found to cure those ghost names or pesky new comer wannabes.   There are two approaches:   Regedit if the new names are bugging you or ADSIEdit if the old names are haunting you. Option 1: The key is in the registry!  Literally, in order for Outlook to not use SCP (Service Connection Point) and force the use of DNS for autodiscover, you will have to set this registry setting on the client machine. You can disable this in the registry: Add: ExcludeScpLooku...

Speed Up Active Directory and DNS Between Sites  Since creating our Colo/Disaster Recovery Site and separating our physical sites in to their respective site in AD, we noticed that things didn't propagate very fast.  MS has a default timer that determines when replication happens.  That wasn't quick enough for us.  So here is an article that we used to help us speed up the replication process.  https://www.mowasay.com/2017/08/speed-up-active-directory-dns-replication-between-sites/ Hope this helps! Danny