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Asked: 2026-05-13T14:02:47+00:00

When starting Tomcat 6 on Windows 7 Enterprise with JRE 6 using C:\Program Files\Apache

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When starting Tomcat 6 on Windows 7 Enterprise with JRE 6 using
C:\Program Files\Apache Software Foundation\Tomcat 6.0\bin\tomcat6.exe
the application does not open and my event viewer has the message:

“Disabled use of AcceptEx() WinSock2 API.”

The same installer of Tomcat worked on Windows Vista before I upgraded my operating system.

Can anyone please suggest a way to fix this?

The only site I can find mentioning this is
http://www.apachelounge.com/viewtopic.php?p=4418
which suggests using this config setting “Win32DisableAcceptEx” – but it’s for Apache, not Tomcat, and I have no idea where in what config file it might need to go in Tomcat.

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1 Answer

  1. Editorial Team

    Answered on the Tomcat user mailing list by Caldarale, Charles R:

    Download the latest Java JDK.
    Set the JAVA_HOME environment variable to the top level JDK folder.
    Download the zip version of Tomcat, not the exe installer.
    Start it using the startup.bat script.

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