Default IMAP4 line-wrap set to 72 characters

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Article ID: 238183 - View products that this article applies to.
This article was previously published under Q238183
Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows registry
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SYMPTOMS

When you receive a message from an Exchange Server computer using the Internet Message Access Protocol, Version 4rev1 (IMAP4) Internet Protocol, the message text may wrap after 72 characters. This problem occurs when Message Encoding is set to Multipurpose Internet Mail Extensions (MIME) and the Provide Message Body as Plain Text option is enabled.

RESOLUTION

Microsoft Exchange Server 5.5


To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
191014 How to obtain the latest Exchange Server 5.5 service pack
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For more information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
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WORKAROUND

Exchange Server 5.5


To change the message text word-wrap in Exchange Server 5.5, a new registry key is added with this fix.


To resolve this problem, apply either the latest Exchange Server 5.5 service pack or the fix that is described in the "Resolution" section, and then follow these steps.

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
  1. Click Start, click Run, type regedit in the Open box, and then click OK.
  2. Locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\ParametersSystem
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type IMAP4 Line Wrap Size as the entry name, and then press ENTER.

    Note The registry entry is case-sensitive.
  5. Double-click the IMAP4 Line Wrap Size entry.
  6. In the Value data box, type the maximum line length in either decimal or hexadecimal, and then click OK.
  7. Quit Registry Editor.
  8. For this change to take effect, you must stop and restart the information store.

Microsoft Exchange 2000 Server and Microsoft Exchange Server 2003


To change the message text word-wrap in an Exchange 2000 or Exchange 2003 environment, you must create a new registry subkey.

To resolve this problem, follow these steps.

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
  1. Click Start, click Run, type regedit in the Open box, and then click OK.
  2. Locate and then click the following registry subkey:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\IMAP4Svc\Parameters
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type Line Length as the entry name, and then press ENTER.

    Note The registry entry is case-sensitive.
  5. Double-click the Line Lengthentry, and then click Decimal.
  6. In the Value data box, type a value that is greater than 72, and then click OK.
  7. Quit Registry Editor.
  8. For this change to take effect, you must stop and restart the information store.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

Properties

Article ID: 238183 - Last Review: October 25, 2007 - Revision: 6.6
APPLIES TO
  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange 2000 Server Standard Edition
  • Microsoft Exchange Server 5.5 Standard Edition
Keywords: 
kbhotfixserver kbqfe kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbgraphxlinkcritical kbqfe KB238183

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