Microsoft KB Archive/186787

= XADM: The Extension 'SMTP' Could Not Be Loaded =

Article ID: 186787

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q186787



SYMPTOMS
When you attempt to view the Exchange Server Internet Mail Service properties in the Exchange Server Administrator program, one of the following error messages may be displayed:

Extension 'SMTP' could not be loaded.

The error 87 occurred while formatting windows NT error 182.

Microsoft Windows NT ID No 0xc00200b6

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Extension 'SMTP' could not be loaded.

The specified module could not be found.

Microsoft Windows NT

ID no: 0xc002007e



CAUSE
The error messages in the "Symptoms" section of this article occur if the Mfc42.dll file is missing or corrupted.



WORKAROUND
To work around this problem, copy the Mfc42.dll file from the Exchange Server CD to the \System32 subfolder of the computer running the Exchange Server Administrator program.

Additional Workaround
Make sure that the Add-ins subfolder is shared.

NOTE: You may need to check all of the drives for the drive that contains the shared folders under this subfolder. The standard shared subfolders in the Exchsrvr folder are: Add-ins, Address, Connect, RES, and Tracking.log.

If the Add-ins subfolder is not shared, share it as follows:  In Windows Explorer, click the Exchsrvr\Add-ins subfolder. Right-click the subfolder, and then click Sharing. In the Add-ins Properties dialog box, click Share As. Make sure that the Share name and Comment boxes contain the following information:

Share name: Add-ins

Comment: "Access to EDK objects" (with the quotation marks)

 Click Permissions. Make sure that the Access through share permissions dialog box has the following permissions set:

Everyone (which is a global group - with the globe icon) as Read

(individual icon) as Full Control

(local group icon) as Full Control

 Click OK. Click Apply, and then click OK.</li></ol>

This permission may be turned off during a service pack update or a reinstallation, which can cause this problem.

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MORE INFORMATION
This file can be found in three different locations on the Exchange Server CD: <pre class="fixed_text">  E:\Server\Setup\Alpha\Mfc42.dll         1,997 KB   E:\Server\Setup\I386\Mfc42.dll          920 KB   E:\Server\Support\Autorun\Reskit\Migrat 988 KB Make sure that you copy this file from the folder that corresponds to your operating system. Do not use the file that is located in the Migrat folder. Make sure that the correct settings are applied for the Access this System from the Network user right. If you are running Exchange Server on a Windows NT 4.0 system, and if the  registry key exists, make sure it is set to 0.

Additional query words: DLL SMTP

Keywords: kbprb KB186787

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