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Cookies needed for the website to work

Name Purpose Expires
Name __RequestVerificationToken Purpose Used by the antiforgery system. Expires Session
Name .AspNet.ApplicationCookie Purpose Used to identify user sessions. A user session starts when a user browses portal for the first time. And ends when the session is closed. Expires Session
Name adxPreviewUnpublishedEntities Purpose Stores preview ON/OFF mode used in classic CMS system for portal administrators. Expires Session
Name adx-notification Purpose Used in basic form actions to store alert message to be shown on redirection. Expires Session
Name ARRAffinity Purpose Added automatically by Azure websites and ensures that requests are load balanced between different sites. Doesn't store any of user information. Expires Session
Name ASP.NET_SessionId Purpose Used to maintain the session of a logged in user to avoid repeated sign-in. Expires Session
Name ContextLanguageCode Purpose Stores the default language of the user accessing portal within a session and across webpages. The cookie is deleted after session closes. Expires Session
Name Dynamics365PortalAnalytics Purpose Critical service cookie to analyze service usage anonymously and aggregated for statistical purpose. Expires 90 days
Name isDSTObserved Purpose Stores a value to indicate if the current moment is in daylight saving time. Expires Session
Name isDSTSupport Purpose Indicates whether a specified date and time falls in the range of daylight saving time. Expires Session
Name timeZoneCode Purpose Stores the timezonecode field value of CRM timezonedefinition table for the current timezone. Expires Session
Name timezoneoffset Purpose Stores the timezone difference between UTC and Local browser time. Expires Session