You should manually replace this self-signed certificate on the Client Access server with one that is automatically trusted by your clients ( for more information, see Microsoft Exchange Digital Certificates and SSL ). 您应该手动将客户端访问服务器上的这个自签名证书替换为一个受您的客户端自动信任的证书(有关的更多信息,请参阅MicrosoftExchange数字证书和SSL)。