The MSExchangeTransport.exe process crashes or stops responding on a Hub Transport server that has Exchange Server 2010 SP1 installed

Applies to: Exchange Server 2010 EnterpriseExchange Server 2010 Standard

Symptoms


Consider the following scenario:
  • You install Microsoft Exchange Server 2010 Service Pack 1 (SP1) on an Exchange Server 2010 Hub Transport server.
  • The Hub Transport server processes an item that contains an invalid charset. For example, the content-type header is set to the following:
    Content-Type: text/html; charset="windows-1252http-equivContent-Type" 
In this scenario, the Microsoft Exchange Transport service (MSExchangeTransport.exe) crashes or stops responding. Additionally, the following event is logged in the Application log:


Resolution


To resolve this issue, install the following update rollup:
2425179 Description of Update Rollup 2 for Exchange Server 2010 Service Pack 1

Status


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