IIS Error Solutions - jamesperrin/developer-training-resources GitHub Wiki

HTTP Error 503 Service Unavailable - McAfee Host IPS 8.0

  1. Troubleshooting:

    1. Attempt to access ULR and received HTTP Error 503 Service Unavailable.
    2. Log onto server and review Event log which indicate an error related to “The Module DLL C:\Windows\System32\inetsrv\HipIISEngineStub.dll failed to load. The data is the error.”.

  2. Recommended solution steps:

    1. Navigate to %windir%\system32\inetsrv\config\
    2. Open applicationHost.config as Administrator.
    3. In the <globalModules> section, remove the following line:
      1. <add name=”MfeEngine” image=”%windir%\System32\inetsrv\HipIISEngineStub.dll” />
    4. In the <modules> section, remove the following line:
      1. <add name=”MfeEngine” />
    5. Save the file.
    6. Restart the IIS server using the command iisreset or by restarting the system.

  3. Reference article:

    1. Removing Host Intrusion Prevention 8.0 from a server running IIS 7.0 does not remove the ISAPI references
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