Exchange Messaging Outlook Volume 15, Number 22

How to turn off TNEF in Exchange 2007

An Exchange administrator recently asked "Can I turn off TNEF in Exchange 2007? When someone send email to another organization where email clients are not Outlook, they cannot see TNEF encoded attachments, so I want to disable TNEF in my Exchange server. How?"

You can disable TNEF at the Exchange server, for all remote domains or for specific domains, using a cmdlet or the management console. Note, this method is used for both Exchange 2007 and 2010.

From the Exchange Management Console:
Organizational Configuration, Hub Transport, Remote Domains.
To disable RTF for all outgoing mail, double click on Default and select the Format of original message tab and change the Exchange rich-text format selection to Never use.

To change it only for a specific domain, right click on Hub Transport and choose New Remote Domain. Enter a friendly name and the domain and complete the wizard. Double click on the newly created remote domain to open it then change the Rick-text setting.

If you prefer using the management shell, you'll use the New-RemoteDomain and Set-RemoteDomain commands. If the remote domain does not exist, use the New-RemoteDomain command to create it. Use Set-RemoteDomain to disable TNEF (and change other settings).
Example:

New-RemoteDomain -DomainName domain_name.com -Name friendly_name
Set-RemoteDomain -Identity friendly_name-TNEFEnabled $false

To create a new remote domain for all subdomains, use -DomainName *.domain_name.com

For information on the other parameters you can change, see Set-RemoteDomain
http://technet.microsoft.com/en-us/library/aa997857(EXCHG.80).aspx 

Outlook Quick Tip: SharePoint Contact library and RTF

When you use SharePoint contact libraries in Outlook, the contacts are marked to always use RTF.

If you use Exchange server, the administrator can configure Remote Domains to prevent RTF to certain domains. If you don't use Exchange, you'll need to use a registry setting to prevent Outlook from ever sending RTF formatted messages. Note that this will prevent features that require RTF from working, including Voting. See Recipients are receiving winmail.dat attachments, "If all else fails" section for the fix.

"Can't Start Reminder Service" Error

We're seeing complaints from users who receive an error message when Outlook 2007 opens: "Cannot start the reminder service. Cannot show reminders. Your server administrator has limited the number of items you can open simultaneously. Try closing messages you have opened or removing attachments and images from unsent messages you are composing." After Outlook is open, they may receive another error message: "Cannot display the folder. Your server administrator has limited the number of items you can open simultaneously. Try closing messages you have opened or removing attachments and images from unsent messages you are composing."

This problem (and a few others) is fixed by a June hotfix.

Description of the Office Outlook 2007 hotfix package (Outlook-x-none.msp): June 29, 2010
http://support.microsoft.com/kb/983316 

Finally, BlackBerry Desktop Software for Outlook 2010 32-bit

An updated version of Blackberry's Desktop software was released earlier this week that allows users to sync with Outlook 2010 32-bit. Note that it doesn't work with the Click to Run version of Office.

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