Xử lý lỗi CRM 2011 email router service không khởi động được

If you are not on Update Rollup 13, to resolve this problem, follow these steps:

1. Delete the Microsoft.Crm.Tools.EmailAgent.SystemState.xml file.
   
   Notes
   • By default, the Microsoft.Crm.Tools.EmailAgent.SystemState.xml file is in the following folder:
     C:\Program Files\Microsoft CRM Email\Service
   • By default, the Service folder is a hidden folder. To see this folder, you must change the Windows Explorer settings to display hidden files and hidden folders.
2. Restart the Microsoft Dynamics CRM E-mail Router Service.
   
   The Microsoft.Crm.Tools.EmailAgent.SystemState.xml file is re-created.

Nguồn: 
http://support.microsoft.com/kb/954522

hoặc
http://nerdsknowbest.blogspot.com/2013/01/configuring-crm-email-router-to-run.html