Exchange 2003 – ActiveSync Stops working after IP change
KB ID 0000345 Problem My colleague swapped over one of our clients to a new IP range last week, all went well except ActiveSync stopped working on the clients phones, it took a while for the penny to drop. But this problem was caused by the “fix” for the “Active Sync Support Code:85010014” that’s outlined in MS KB817379. You need to grant access to the servers new IP address. Solution 1. Lets make sure...