Friday, April 15, 2016

Event ID 15021 HttpEvent Exchange 2013

Recently a client of mine stopped receiving external emails, 2 days after their SSL had been renewed.
Event logs revealed error 15021 come from HttpEvent, stating "An error occurred while using SSL configuration for endpoint The error status code is contained within the returned data."

Quick and easy fix.

  • From an elevated command prompt, run netsh http show sslcert
  • From the returned content, look for, and copy the certhash and appid details
  • Run netsh http delete sslcert ipport:
  • Run netsh http add sslcert ipport= certhash=xxxxx appid="{xxxxx}"
  • Once you've successfully added the binding, reboot your exchange server, and all will be well.

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