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Article ID: 130520, created on Mar 27, 2017, last review on May 4, 2017

  • Applies to:
  • Business Automation 7.0


  • Billing control panel and online store are not accessible.
  • The httpd service restart fails with the following message:

    Address already in use: make_sock: could not bind to address [::]:443


One of the reasons can be that when performing the yum update operation on the OA Billing Application node, the mod_ssl package can be updated. This can result in modification of the `/etc/httpd/conf.d/ssl.conf' file, which will break the configuration of the Billing Application.


  1. Connect to the Billing Application node via ssh as root.
  2. Delete the ssl.conf file in the /etc/httpd/conf.d/ directory:

    # rm -f /etc/httpd/conf.d/ssl.conf
  3. Create the /etc/httpd/conf.d/ssl.conf directory to prevent such issues in future.

    # mkdir /etc/httpd/conf.d/ssl.conf
  4. Restart the httpd service:

    # service httpd restart

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