MSCRM Email router issue

Log Name:      Application

Source:        MSCRMEmail

Date:          17.12.2014 09:15:50

Event ID:      0

Task Category: None

Level:         Error

Keywords:      Classic

User:          N/A

Computer:      xx

Description:

Error accesing SystemState.xml. Restore file with last backup.

Log Name:      Application

Source:        MSCRMEmail

Date:          17.12.2014 09:15:50

Event ID:      16192

Task Category: None

Level:         Error

Keywords:      Classic

User:          N/A

Computer:      xx

Description:

#16192 - The E-mail Router service could not run the service main background thread. The E-mail Router service cannot continue and will now shut down. System.Configuration.ConfigurationErrorsException: System information was not specified in the E-mail Router service configuration file. The E-mail Router service cannot continue and will now shut down. ---> System.Xml.XmlException: Unexpected end of file has occurred. The following elements are not closed: UserId, ProviderConfiguration, Configuration. Line 74, position 42.

   at System.Xml.XmlTextReaderImpl.Throw(String res, String arg)

   at System.Xml.XmlTextReaderImpl.ParseElementContent()

   at System.Xml.XmlLoader.LoadNode(Boolean skipOverWhitespace)

   at System.Xml.XmlLoader.LoadDocSequence(XmlDocument parentDoc)

   at System.Xml.XmlDocument.Load(XmlReader reader)

   at System.Xml.XmlDocument.Load(String filename)

   at Microsoft.Crm.Tools.Email.Providers.ConfigFileReader..ctor(String filePath, ServiceLogger serviceLogger)

   at Microsoft.Crm.Tools.Email.Providers.SystemConfiguration.Initialize(ServiceLogger serviceLogger)

   at Microsoft.Crm.Tools.Email.Agent.ServiceCore.InitializeSystemConfiguration()

   --- End of inner exception stack trace ---

   at Microsoft.Crm.Tools.Email.Agent.ServiceCore.InitializeSystemConfiguration()

   at Microsoft.Crm.Tools.Email.Agent.ServiceCore.ExecuteService()

Solution is http://support.microsoft.com/kb/954522

to restore  

• Microsoft.Crm.Tools.EmailAgent.Configuration.bin
• Microsoft.Crm.Tools.EmailAgent.SystemState.Xml