lliaoliao

@OS-JaR thank you response that. when i invoke conn.open() . my stacktrace below microsoft.exchange.webservices.data.core.exception.service.remote.ServiceResponseException: The server cannot service this request right now. Try again later. at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.processWebException(ServiceRequestBase.java:548) at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.validateAndEmitRequest(ServiceRequestBase.java:641) at...

@SelaO no ,my client can not open connection.