Article - CS109573

How to increase Apache Maximum Connections in Windchill PDMLink

Modified: 12-Sep-2025   


Applies To

  • Windchill PDMLink 6.2 to 12.1

Description

  • Apache does not respond properly
  • Users are not able to access to server
  • How to enable Apache MPM model
  • Users take more time to log in, while users logged in already can operate properly
  • Apache home page http://<hostname> does not display It works!
  • Windchill jsp page is showing
    This page isn't working
    <windchill hostname> is currently unable to handle this request.
    HTTP ERROR 503
  • Apache error log shows below
    server reached MaxClients setting, consider raising the MaxClients setting
    server is within MinSpareThreads of MaxRequestWorkers, consider raising the MaxRequestWorkers setting
  • No HTTP request made into Apache for a period of time , for example :
  • Accessing page is slow (sometimes error below appears in Apache Error.log)
    [mpm_winnt:error] [pid 23280:tid 6044] AH00326: Server ran out of threads to serve requests. Consider raising the ThreadsPerChild setting
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