Hi, I get the foollowing error while settinng up Z.Desktop.Please help!!

Cannot connect to "https://inmumzm01.tcs.com/service/soap/". Please check host/port and network connectivity.
Display error details
com.zimbra.common.soap.SoapFaultException: https://inmumzm01.tcs.com/service/soap/ ExceptionId:com.zimbra.common.service.RemoteServic eException: https://inmumzm01.tcs.com/service/soap/ ExceptionId:btpool0-30:1362513733241:530a73f448f4271a Code:remote.CONNECT_FAILURE at com.zimbra.common.service.RemoteServiceException.C ONNECT_FAILURE(RemoteServiceException.java:80) at com.zimbra.common.service.RemoteServiceException.d oConnectionFailures(RemoteServiceException.java:16 3) at com.zimbra.cs.zclient.ZMailbox.invoke(ZMailbox.jav a:567) at com.zimbra.cs.zclient.ZMailbox.invoke(ZMailbox.jav a:555) at com.zimbra.cs.zclient.ZMailbox.invokeJaxb(ZMailbox .java:550) at com.zimbra.cs.zclient.ZMailbox.authByPassword(ZMai lbox.java:496) at com.zimbra.cs.zclient.ZMailbox.(ZMailbox.java:411) at com.zimbra.cs.zclient.ZMailbox.getMailbox(ZMailbox .java:348) at com.zimbra.cs.account.offline.OfflineProvisioning. newZMailbox(OfflineProvisioning.java:286) at com.zimbra.cs.account.offline.OfflineProvisioning. newZMailbox(OfflineProvisioning.java:278) at com.zimbra.cs.account.offline.OfflineProvisioning. createSyncAccount(OfflineProvisioning.java:669) at com.zimbra.cs.account.offline.OfflineProvisioning. createAccount(OfflineProvisioning.java:642) at com.zimbra.cs.service.admin.CreateAccount.handle(C reateAccount.java:64) at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEng ine.java:412) at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:287) at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:158) at com.zimbra.soap.SoapServlet.doWork(SoapServlet.jav a:303) at com.zimbra.soap.SoapServlet.doPost(SoapServlet.jav a:217) at javax.servlet.http.HttpServlet.service(HttpServlet .java:725) at com.zimbra.cs.servlet.ZimbraServlet.service(Zimbra Servlet.java:206) at javax.servlet.http.HttpServlet.service(HttpServlet .java:814) at