You may experience problems after you configure the Microsoft CRM-Exchange E-mail Router to use a POP3 e-mail account in Microsoft Dynamics CRM

SYMPTOMS
In Microsoft Dynamics CRM, you configure the Microsoft CRM-Exchange E-mail Router to use a POP3 e-mail account. After you do this, you may experience one of the following symptoms. 

Symptom 1

After you read e-mail messages from the POP3 mailbox in Microsoft Office Outlook, in Microsoft Office Outlook Express, or in another e-mail reader, the Microsoft CRM-Exchange E-mail Router does not process these e-mail messages from the POP3 mailbox.

See Cause 1.

Symptom 2

When you try to open the POP3 mailbox in Outlook, in Outlook Express, or in another e-mail reader, you receive an error message that resembles one of the following:
Error message 1
The application cannot connect or open the mailbox.
Error message 2
The mailbox is in use.
See Cause 2.

Symptom 3

When the Microsoft CRM-Exchange E-mail Router connects to the POP3 mailbox, you receive an error message that resembles one of the following:
Error message 1
The application cannot connect or open the mailbox.
Error message 2
The mailbox is in use.
See Cause 3.

Symptom 4

When the Microsoft Dynamics CRM Email Router processes emails from an Exchange POP3 account, it marks the email as read. See Cause 4.
CAUSE

Cause 1

This problem occurs if the functionality that deletes e-mail messages from the POP3 e-mail server after you read the e-mail messages is enabled.

To resolve this problem, see Resolution 1.

Cause 2

This behavior occurs if the Microsoft CRM-Exchange E-mail Router is too busy to process e-mail messages in the POP3 mailbox.

To resolve this behavior, see Resolution 2.

Cause 3

This behavior occurs if a user is too busy to read e-mail messages in the POP3 mailbox.

To resolve this behavior, see Resolution 2.

Cause 4

When you connect to Microsoft Exchange using POP3, Microsoft Exchange will mark any emails that were retrieved as read after disconnecting from the POP3 server by default. After executing the POP3 command RETR and then executing the QUIT command, the emails retrieved will be marked as read.This functionality is by design for Microsoft Exchange and Microsoft Dynamics CRM cannot prevent this.
RESOLUTION

Resolution 1

To resolve this problem, disable the functionality that deletes e-mail messages from the POP3 e-mail server after you read the e-mail messages in Outlook, in Outlook Express, or in another e-mail reader. To disable this functionality, refer to Help in any POP3 e-mail client.

After you disable this functionality, you can directly delete messages from the POP3 e-mail server as needed. The Microsoft CRM-Exchange E-mail Router can read e-mail messages in the POP3 mailbox and create e-mail messages in Microsoft Dynamics CRM.

Resolution 2

This behavior is by design.

To resolve this behavior, wait, and then try to use the POP3 mailbox again.

Note When a POP3 mailbox is being used by a user or by the Microsoft Dynamics CRM E-mail Router, the POP3 mailbox is locked during the access session. Therefore, the Microsoft Dynamics CRM E-mail Router or a user cannot access the POP3 mailbox at the same time.
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Article ID: 947059 - Last Review: 12/29/2010 22:02:00 - Revision: 3.1

Microsoft Dynamics CRM 2011, Microsoft Dynamics CRM 4.0, Microsoft Dynamics CRM Online Professional Edition, Microsoft Dynamics CRM Online Professional Plus

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