Cookies in Dynamics 365 Customer Voice

A cookie is a small file sent from the web site to visitor's device by the browser. A single web session may use multiple cookies.

Dynamics 365 Customer Voice also use cookies to store information for various purposes. The following table describes the cookies that Dynamics 365 Customer Voice uses, and their lifetime.

Cookie name Description Lifetime
AADNonce.forms Unique identifier of one authentication session to prevent replay. Session
DcLcid Saves language preference. 90 days
MS0 Stores the session identification cookie. 90 days
MSFPC Critical service cookie to analyze service usage anonymously and aggregated for statistical purpose. 1 year
MUID Used to identify different anonymous users. Critical service cookie to analyze service usage anonymously and aggregated for statistical purpose. 1 year
_RequestVerificationToken Used by the antiforgery system. Session
AADAuth.forms Azure Active Directory authentication token. 90 days
AADAuthCode.forms An authentication code used to redeem Azure Active Directory authentication token. 90 days
AADSID.forms Azure Active Directory authentication session ID. 90 days
AADState.forms Authentication state to indicate whether user is authenticated. 90 days