Event ID 8321: A certificate validation operation took X milliseconds and has exceeded the execution time threshold

Problem:  Event ID 8321 logged multiple times in the SharePoint 2013 Application server’s Event Log, with the message “A certificate validation operation took 1500.8983 milliseconds and has exceeded the execution time threshold.  If this continues to occur, it may represent a configuration issue.  Please see http://go.microsoft.com/fwlink/?LinkId=246987 for more details.”and SharePoint pages were…

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SharePoint 2013 Warmup Scripts using PowerShell

What is “Warmup Scripts” in SharePoint?By default, IIS application pools recycle every night to keep clean memory space –  Every time the IIS Application pool recycles – Asp.net assemblies to be re-compiled to serve the page to end-user. So, When the recycling occurs during mid-night (or when you do manual recycling/IISReset), The…

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Trim audit log to Improve Performance in SharePoint

Found SharePoint content databases are growing even when no content was added from the user side. I was analyzing SharePoint Database growth, went ahead, and generated disk space report from SQL Server Management Studio (Right-click the database, choose Reports >> Standard Reports >> Disk Usage by Table) which gave me the clear…

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Opening/Saving Documents in SharePoint is Very Slow – Solution

Recently, an end-user reported the issue: Opening/Saving Office 2007 Documents to MOSS 2007 is very slow.  Here is his detailed complaint: “Often at work, I sometimes receive a message after 10 minutes or so that ‘Excel Is not responding’ in the upper corner of the screen. When this happens, the document is…

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