Defines whether to use Coordinated Universal Time (UTC) or local time for the ticket expiration date for forms authentication.
Assembly: System.Web (in System.Web.dll)
The ticket expiration date for ASP.NET forms authentication can be stored by using Coordinated Universal Time (UTC) or the local time. For compatibility between applications, and for compatibility between different versions of the .NET Framework, the ticket expiration time can be specified by using the ticketCompatilityMode attribute of the forms element. The default value for the ticketCompatibilityMode attribute is .
The following example configures the forms authentication ticket expiration date as UTC time.
<system.web> <authentication mode="Forms"> <forms ticketCompatilityMode="Framework40"> </forms> </authentication> </system.web>
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.