Microsoft Dynamics CRM 4.0 E-mail Router cannot resume to process email messages after Microsoft Dynamics CRM 4.0 E-mail Router encounters an issue

After Microsoft Dynamics CRM 4.0 E-mail Router encounters an issue, Microsoft Dynamics CRM 4.0 E-mail Router cannot resume to process email messages. Therefore, outgoing e-mail messages cannot be sent and incoming e-mail messages cannot be received.

This problem occurs because the Systemstate.xml file is corrupted or locked.

This problem is fixed in the latest cumulative update rollup for Microsoft Dynamics CRM 4.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Note This problem was originally fixed in Update Rollup 13 for Microsoft Dynamics CRM 4.0.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

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

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: For more information about Microsoft Business Solutions CRM software hotfix and update package terminology, click the following article number to view the article in the Microsoft Knowledge Base: