Created attachment 29570 [details] apache conf file With apache 2.4.3 Win32 (Apache Lounge Distribution, Apache 2.4.3 win32, IPv6 and Crypto enabled, apr-1.4.6 apr-util-1.4.1 apr-iconv-1.2.1 openssl-1.0.1c zlib-1.2.7 pcre-8.30 libxml2-2.7.8 lua-5.1.5 expat 2.1.0). The leak on the parent process appear when the child httpd process is recycled, so configure mpm_winnt_module with MaxConnectionsPerChild = 100: <IfModule mpm_winnt_module> ThreadsPerChild 150 MaxConnectionsPerChild 100 </IfModule> In httpd.conf, configure ErrorLog and CustomLog to use rotatelogs program: ErrorLog "| bin/rotatelogs.exe logs/error.%Y-%m-%d.log 86400" CustomLog "| bin/rotatelogs.exe logs/access.%Y-%m-%d.log 86400" common Start apache Using "handle" program from sysinternal, execute "handle -s -p <httpd parent pid>" In apache/bin directory, execute "ab.exe -n 100 http://localhost/" Rexecute "handle -s -p <httpd parent pid>" Compare the 2 results: - in the first I have: "22C: Process rotatelogs.exe(7956)" - in the second I have: "22C: Process <Non-existant Process>(7956)" And to confirm it's due to rotatelogs used with CustomLog, comment the "CustomLog" line in httpd.conf and retry => no handle leak on the parent httpd process.