Exception type thrown when MSAL detects that an application is trying to acquire a token too often, as a result of: - A previous request resulted in an HTTP response containing a Retry-After header which was not followed. - A previous request resulted in an HTTP 429 or 5xx, which indicates a problem with the server. The properties of this exception are identical to the original exception For more details see https://aka.ms/msal-net-throttling