My Exchange 2013 CU1 server has been running fine for a few months. Today I started receiving hundreds of errors, and some users reporting that their Outlook was disconnected.
MSExchange ADAccess 4023
Process w3wp.exe (AutoDisc) (PID=3924). The budget for user 'Sid~NETBIOS\userid~Ews~false' is locked out until 12/5/2013 7:33:09 PM. Max Burst: 300000, Recharge Rate: 900000, CutoffBalance: -3000000
After awhile, I also see Error MSExchange ADAccess 4028
Process w3wp.exe (AutoDisc) (PID=3924). The budget for user 'Sid~NETBIOS\userid~Ews~false' has been unlocked.
This server is hosting about 350 users, and about 500 mailboxes. It has CPU cores, I can't imagine the CPU is getting pegged/throttled with so few mailboxes and 4 CPU cores.
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