Article ID: 2397593 - View products that this article applies to.
Consider the following scenario:
Task '<the POP3 account or the IMAP account> - Sending' reported error (0X800CCC13): 'Unable to connect to the network. Check your network connection or modem.'
To resolve this issue, download and then install Exchange Server 2010 Service Pack 1 (SP1) from the following Microsoft website:
Download Exchange Server 2010 SP1
To work around this issue, access the mailbox by using Outlook in cached mode.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about email account types, visit the following Microsoft website:
General information about email account types