Article ID: 555427 - Last Review: August 17, 2005 - Revision: 1.0

The ISA Server Packet Filter Extension Driver service failed to start

Author: Mohammed Athif Khaleel MVP
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SUMMARY

The ISA Server Packet Filter Extension Driver service failed to start due to the following error: This driver has been blocked from loading.
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SYMPTOMS

You see the following event after installing ISA Server 2000 on Windows Server 2003
 
Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7000
User:  N/A

Description:
The ISA Server Packet Filter Extension Driver service failed to start due to the following error: This driver has been blocked from loading.

 
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CAUSE

When you install ISA 2000 on Windows Server 2003, it automatically blocks ISA Server Packet Filter Extension Driver & the service fails to start.
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RESOLUTION

When you install ISA 2000 on Windows Server 2003, it automatically blocks ISA Server Packet Filter Extension Driver from loading. To resolve this, install;
 
ISA Server 2000: Required Updates for Windows Server 2003
http://www.microsoft.com/downloads/details.aspx?familyid=77d89f87-5205-4779-b1ab-fc338283b2d9&displaylang=en
 
Or, Install Microsoft Internet Security and Acceleration (ISA) Server 2000 Service Pack 2. SP 2 includes Fixes that enable ISA Server to run on Microsoft Windows Server™ 2003, Standard Edition and Windows Server 2003, Enterprise Edition.
http://www.microsoft.com/downloads/details.aspx?FamilyID=C8D3D98B-1CD4-406A-A04A-2AA2547D09A3&displaylang=en
 
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APPLIES TO
  • Microsoft Internet Security and Acceleration Server 2000 Standard Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
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Keywords: 
kbpubmvp kbpubtypecca kbhowto KB555427
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