Microsoft KB Archive/284761

= Error Message &quot;Could Not Register Smtpfltr.dll&quot; Occurs When You Attempt to Install ISA Server in an Array =

Article ID: 284761

Article Last Modified on 12/24/2003

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APPLIES TO


 * Microsoft Internet Security and Acceleration Server 2000 Standard Edition

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This article was previously published under Q284761



SYMPTOMS
When you attempt to install Internet Security and Acceleration (ISA) Server in an array, you may receive the following error message:

ISA could not register Smtpfltr.dll.

The Installation log reports an &quot;80070002&quot; error code.



CAUSE
This problem occurs if there are duplicate entries in the Directory Services database for the ISA Server array.



RESOLUTION
To resolve this issue, see to the following Microsoft Knowledge Base article and obtain the fix that is included in that article:

813865 FIX: Multiple registered Web filters in Active Directory are handled incorrectly



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: Smtpfltr dll

Keywords: kbnofix kbenv kbprb KB284761

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