We have 4 Exchange 2013 servers, and i recently went began the process of upgrading each of them to CU23. The first server was running CAS and Mailbox roles, and updated perfectly fine. The second server was running just the CAS role and that again updated file. The third server is running just the Mailbox role, this completed the update without any issue, but now when the server is rebooted the Exchange services don't start automatically.
The services are still set to automatic, and if i go in and start them manually they start ok. I've tried setting them to Automatic Delayed Start but that doesn't make any difference.
Has anyone had this happen before?
Thanks
James