Microsoft KB Archive/884494

= You receive a &quot;Setup failed while registering Wspadmin.dll&quot; error message when you try to install ISA Server 2006 or ISA Server 2004 =

Article ID: 884494

Article Last Modified on 12/4/2007

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APPLIES TO


 * Microsoft Internet Security and Acceleration Server 2006 Enterprise Edition
 * Microsoft Internet Security and Acceleration Server 2006 Standard Edition
 * Microsoft Internet Security and Acceleration Server 2004 Standard Edition
 * Microsoft Internet Security and Acceleration Server 2004 Enterprise Edition

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SYMPTOMS
When you try to install Microsoft Internet Security and Acceleration (ISA) Server 2006 or Microsoft Internet Security and Acceleration (ISA) Server 2004, you may receive an error message that resembles the following:

Setup failed while registering Wspadmin.dll

Details: The function My_LoadLibrary failed at the function Registrator::RegisterComContro



CAUSE
This issue may occur if you try to install ISA Server on a computer where a previous installation of one of the following programs is not completely removed:
 * Microsoft ISA Server 2004
 * A pre-release version of ISA Server 2004
 * Microsoft ISA Server 2000



RESOLUTION
To resolve this issue, remove the remnants or the previous Proxy Server installation, and then re-install ISA Server 2006 or ISA Server 2004.

For more information about how to troubleshoot common setup issues, visit the following Microsoft Web site:

http://go.microsoft.com/fwlink/?LinkID=52593

