Cannot connect to Exchange Server 2010 when the RPC Client Access service crashes

Applies to: Exchange Server 2010 Service Pack 3Exchange Server 2010 EnterpriseExchange Server 2010 Standard

Symptoms


When this issue occurs, event ID 4999 that resembles the following is logged in the Application log:

Resolution


To resolve this issue, install the following update rollup: 
2936871 Update Rollup 6 for Exchange Server 2010 Service Pack 3

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.