【SDP OP】Microsoft O365邮箱使用EWS-Oauth协议配置突然报Unknown error

【SDP OP】Microsoft O365邮箱使用EWS-Oauth协议配置突然报Unknown error

如果用户配置的O365邮箱是使用的EWS-Oauth协议配置的，突然报异常，unknown error occurred, 重新配置，在重定向到SDP，

输入用户名密码后OauthServlet页面无法正常加载的前提下，搜索日志会发现下面报错

[08:26:48:570]|[09-26-2025]|[SYSERR]|[INFO]|[27153]: java.lang.Exception: {"error_description":"AADSTS700003: Device object was not found in the tenant '8ac31bcb-2b34-40e5-b968-0d096baf2dfc' directory. Trace ID: 9c6cc175-a0d6-42de-b4c7-ff3b30522500 Correlation ID: 68f6864e-8192-47f5-a4b8-92215b3dd1f8 Timestamp: 2025-09-26 00:26:48Z","error":"invalid_grant","error_uri":"https:\/\/login.microsoftonline.com\/error?code=700003"}|

请参照下面链接的方法，到Microsoft端解决改问题

https://learn.microsoft.com/en-us/troubleshoot/entra/entra-id/app-integration/error-code-aadsts700003-device-object-not-found

配置outlook客户端，验证邮箱是否有问题，Microsoft Outlook如何设置才能让接收邮件后服务器上仍然保存已接收的邮件

https://zhidao.baidu.com/question/1553778138208678267.html

The End.