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 uses 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 | Microsoft Entra ID authentication token. | 90 days |
| AADAuthCode.forms | An authentication code used to redeem Microsoft Entra ID authentication token. | 90 days |
| AADSID.forms | Microsoft Entra ID authentication session ID. | 90 days |
| AADState.forms | Authentication state to indicate whether user is authenticated. | 90 days |
| FormsWebSessionId | Saves sign-in data for the session and tracks required data to run the service. | 1 month |
| mc1 | Used internally for telemetry purposes. | 1 year |