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SharePoint 2013: Programatically increase security validation timeout for a web application

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Requirement: Programatically increase security validation timeout for a web application in SharePoint

Solution: The following line of code will set the Web Page Security Validation expiry to 60 minutes

SPWebApplication webApp = SPWebApplication.Lookup(new Uri("http://webappURL/"));

//Use TimeSpan constructor to specify Days, hours, minutes, seconds

webApp.FormDigestSettings.Timeout =

new


TimeSpan(1, 0, 0);

//Save the changes

webApp.Update();