Microsoft KB Archive/946641

= How to change the method for transfer encoding after you apply Exchange 2007 SP1 to the Exchange 2007-based server that is running the Hub Transport role =

Article ID: 946641

Article Last Modified on 12/31/2007

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APPLIES TO

 Microsoft Exchange Server 2007 Service Pack 1, when used with:  Microsoft Exchange Server 2007 Standard Edition

 Microsoft Exchange Server 2007 Enterprise Edition 

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INTRODUCTION
In Microsoft Exchange Server 2007, the 7-bit transfer encoding method for MIME format is fixed to Quoted-Printable (QP) encoding. After you apply Exchange 2007 Service Pack 1 (SP1) to the Exchange 2007-based server that is running the Hub Transport role, you can change the transfer encoding method by editing the EdgeTransport.exe.config file. This article describes how to change the method for transfer encoding.



MORE INFORMATION
To change the method for transfer encoding, follow these steps:  On the Exchange 2007-based server that is running the Hub Transport role, open Windows Explorer.</li> Locate the following folder:

 :\Program Files\Microsoft\Exchange Server\Bin

</li> Make a backup copy of the EdgeTransport.exe.config file by saving a version of it that is named EdgeTransport.exe.config.old .</li>  Open the EdgeTransport.exe.config file in Notepad, and then locate the following line between the   segment and the   segment. <add key=&quot;ByteEncoderTypeFor7BitCharsets&quot; value=&quot;1&quot; /> Note If this line does not exist between the   segment and the   segment, insert this line. </li> Change the value that is described in this line of code to an appropriate value from the following table. This change will control the MIME encoding behavior.

Note The value should be written as a number. It should not be spelled out. </li> Save the changes, and then exit Notepad.</li> Restart the Exchange Transport service.</li></ol>

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