![A certificate validation operation took xxxx milliseconds and has exceeded the execution time threshold](http://www.adventuresinsharepoint.co.uk/wp-content/uploads/2014/04/EventID_8321-150x150.jpg)
A certificate validation operation took xxxx milliseconds and has exceeded the execution time threshold
I have just noticed the following message logged several times in the Application Event Log on a SharePoint 2013 Application server: A certificate validation operation took 23369.387 milliseconds and has exceeded the execution time threshold. If this continues to occur,…