Apache instance doesn't start and reports error "create child process failed. Exiting"
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Apache instance doesn't start and reports error "create child process failed. Exiting"

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Article ID: 6883

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Updated On:

Products

CA Single Sign On Secure Proxy Server (SiteMinder) CA Single Sign On SOA Security Manager (SiteMinder) CA Single Sign-On

Issue/Introduction

I try to start the Web Agent, but it doesn't start properly and Apache reports error :

AH00419: master_main: create child process failed. Exiting.

Environment

Web Agent 12.52 SP1 CR05 64bit on Apache Lounge v11 2.4.16 64bit on Windows 2012 R2 – 64 Bit

Cause

Apache Lounge v11 2.4.16 64bit running on Windows 2012 R2 needs some specific OS settings to run correctly. It needs tuning of the stack reserve space.

Resolution

Do the following tasks (1):

- Open the Visual Studio command-line window.
- Run the following command:

editbin /STACK:524288 httpd.exe

- Verify that the stack reserve space has been updated to 80000(hex).

To run editbin command, you need to have Visual Studio installed. The Visual Studio Express version includes it.

The "Microsoft Visual C++ 2017 Redistributable (x64) - 14.10.25017" installs it here by default :

c:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.10.25017\bin\HostX64\x64\editbin.exe

 

Additional Information

 

(1)

    Apache-based Server Not Starting on Windows