Exchange server 2016 global address list not updating 12 year old dating
You should also check that all four sites can communicate on port 25, in order to allow replication traffic to pass through.
The easiest way to test this is to use an old Microsoft tool known as
Apparently this caused Outlook to delite the list of cached email adresses?? If you login to OWA you will see the GAL - that uses live information.
Therefore this is really 2 questions: 1) Why does the GAL not updating? Therefore the first thing you need to do is check whether changes to user accounts are seen through OWA. Go to Organization Configuration, and then click Mailbox. Right click the appropriate database and go to Properties 4. First of all I dont see any entries in the ewent viewer what so ever regarding any issues related to OAB or a like.
You should also make sure that the OAB references on each site's Exchange server are correct.
Probably the first time for many months where the problem has been genuinely the GAL, rather than the OAB.