Microsoft KB Archive/214864

= Exchange Protocols Fail After Applying Windows NT 4.0 SP4 =

Article ID: 214864

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT 4.0 Service Pack 4
 * Microsoft Windows NT 4.0 Service Pack 4
 * Microsoft BackOffice Small Business Server 4.5
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q214864



SYMPTOMS
After you apply Windows NT 4.0 Service Pack 4, Microsoft Exchange Internet Applications and Services may no longer function properly and the following errors are visible in the Event Viewer:

EventID: 1309

Source: MSExchangeDS

Description:

Register LDAP SSL protocol failed with error 10049. The LDAP SSL server is not available. Make sure port number 636 is not used by another application.

EventID: 11508

Source: MSExchange POP3

Description:

Accept clients on POP3 interface failed in function HrRegisterProtocol with error 0x2741.

EventID: 1194

Source: MSExchangeIS

Description:

Accept client on external interface POP3 failed with error 0x80004005.

EventID: 11506

Source: MSExchange IMAP4

Description:

Accept clients on IMAP4 interface failed in function HrRegisterProtocol with error 0x2741.

EventID: 1194

Source: MSExchangeIS

Description:

Accept client on external interface IMAP4 failed with error 0x80004005.

EventID: 1194

Source: MSExchangeIS

Description:

Accept client on external interface NNTP failed with error 0x80004005



CAUSE
Windows NT 4.0 Service Pack 4 causes NDISWAN Services to return IP addresses in the order in which they are bound. This change results in IP addresses not currently bound to the TCP/IP stack being returned when making a call to the Winsock API function GetHostbyName. Microsoft Exchange Server fails to register Internet protocols with these IP addresses.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:


 * http://www.microsoft.com/windows/servicepacks/ -or-


 * 152734 how to obtain the latest windows nt 4.0 service pack

For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://support.microsoft.com/directory/overview.asp

This hotfix has been posted to the following Internet location as Rnr-fixi.exe (x86) and Rnr-fixa.exe (Alpha):

ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40/hotfixes-postsp4/rnr-fix/



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 Service Pack 4. This problem was first corrected in Windows NT version 4.0 Service Pack 5.



MORE INFORMATION
NNTP is another protocol that Exchange supports and this error can occur with this protocol for the same reasons.

This error can also occur when certain applications are installed that overwrite the files:
 * %windir%\system32\mfc42.dll
 * %windir%\system32\mfc42u.dll

The version stamp on these files will be 6.00.8168.0. To resolve this issue, install SP5 or higher.

Additional query words: sbsfaqtop 4.00 xadm protocol hrRegisterProtocol sbs

Keywords: kbbug kbfix kbqfe kbhotfixserver KB214864

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