Microsoft Dynamics CRM 4.0 E-Mail Router unexpectedly stalls
It can happen that for no apparent reason the E-Mail Router sometimes stops working and you can receive the following error in the E-Mail Router machine Application Log:
#26234 - The E-mail Router service could not process a provider work item using assembly: Microsoft.Crm.Tools.EmailProviders.dll and class: Microsoft.Crm.Tools.Email.Providers.ExchangePollingMailboxProvider. System.Threading.ThreadAbortException: Thread was being aborted. at Microsoft.Crm.Tools.Email.Agent.ServiceCore.ExecuteProviderWork(Object providerQueueRequestObject)
#14494 - A provider work item using assembly: Microsoft.Crm.Tools.EmailProviders.dll and class: Microsoft.Crm.Tools.Email.Providers.ExchangePollingMailboxProvider has been aborted because it has been running for longer than the allowed execution time. This behavior may occur when there is a problem with the network or because the e-mail server is busy. Verify that you can log on to the e-mail server by using an e-mail application that uses the account specified for the E-mail Router.
#26090 - An error occurred while opening mailbox firstname.lastname@example.org. System.Net.WebException: The operation has timed out at System.Net.HttpWebRequest.GetRequestStream() at Microsoft.Crm.Tools.Email.Providers.HttpDavRequest.SubmitXmlCommand(HttpWebRequest httpWebRequest, String body) at Microsoft.Crm.Tools.Email.Providers.HttpDavRequest.RetrieveInboxUri() at Microsoft.Crm.Tools.Email.Providers.ExchangePollingMailboxProvider.OpenMailbox() at Microsoft.Crm.Tools.Email.Providers.CrmPollingMailboxProvider.Run()
If you run the “Test Access” from the Configuration Manager you can also receive a timeout.
This is due to a lack of connections from a .Net perspective when we try to connect to Exchange via HttpDav. For more information, check the following article:
In order to resolve this issue please follow these steps :
On the CRM E-Mail Router machine, go to the following folder: %ProgramFiles%\Microsoft CRM Email\Server
1°) Right click on this file : Microsoft.Crm.Tools.Email.Management.config and open it in notepad.
Under the <Configuration> tag, add the following:
<system.net> <connectionManagement> <add address="*" maxconnection = "24" /> </connectionManagement> </system.net>
Save the file.
2°) Still within the same folder, create a file called: Microsoft.Crm.Tools.EmailAgent.exe.config
Edit the file in Notepad and add this content:
<configuration> <system.net> <connectionManagement> <add address="*" maxconnection = "24" /> </connectionManagement> </system.net> </configuration>
Save the file and restart the E-Mail Router service (“NET STOP MSCRMEMAIL”, then “NET START MSCRMEMAIL” from a command line)
This should resolve this issue.
CRM Escalation Engineer