Uncategorized 08 Apr 2015 Troubleshooting Exchange Event 2114 – MSExchange ADAccess – Process MSEXCHANGEADTOPOLOGYSERVICE.EXE (PID=xxxx). Topology discovery failed and Exchange Event 1 – Unhandled Exception “The Exchange Topology Service on server localhost did not return a suitable domain controller.” So some of your Exchange services won't start properly, in my case it's the Exchange Transport Service. You see Applications Event log peppered with Event 2114 and Event 1 Caught in… fiducheah