從 RADIUS 用戶端 %1 接收到沒有訊息驗證者屬性的 Access-Request 訊息，而其訊息驗證者屬性是必要的。請確認網路原則伺服器嵌入式管理單元中，RADIUS 用戶端的設定 ("用戶端必須在要求中傳送訊息驗證者屬性" 核取方塊)，以及確認網路存取伺服器的設定。

An Access-Request message was received from RADIUS client %1 without a message authenticator attribute when a message authenticator attribute is required. Verify the configuration of the RADIUS client in the Network Policy Server snap-in (the "Client must always send the message authenticator attribute in the request" checkbox) and the configuration of the network access server.