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OAuth 2.0 authentication uses special access tokens, which must be updated regularly. ABBYY FlexiCapture stores these tokens in the dbo.Identities table in the SQL database. The Token Management Service (TMS) updates the tokens automatically. By default, the refresh token required to use the Microsoft Graph Mail API expires after 90 days of inactivity, and you must re-authenticate to obtain a new token. An Active Directory administrator can configure the token lifetime. For more information, see the Microsoft documentation on configurable token lifetimes.

Token Management Service

TMS is installed by the main install wizard and set up alongside ABBYY FlexiCapture in the Administration and Monitoring Console. After you set up a connection to a database, restart either the entire IIS or your particular TMS pool.