Hi Sharan,
I tried this option many times before, it is generates the same error. Seems like UDS does not receive those credentials at all according to arcotuds.log
2018-01-16 10:27:00,142 EST : [http-nio-8080-exec-4] : ERROR : anamgmt.ws.ArcotAnARegistrySvcSkeleton : [null] : [null] : [31119] : User identifier is mandatory.
com.arcot.admin.framework.ana.api.AuthenticationException: User identifier is mandatory.
at com.arcot.admin.framework.ana.impl.AuthenticateAndAuthorizeManagerImpl.authenticate(AuthenticateAndAuthorizeManagerImpl.java:162)
at com.arcot.euds.anamgmt.ws.ArcotAnARegistrySvcSkeleton.authenticate(ArcotAnARegistrySvcSkeleton.java:269)
at com.arcot.euds.anamgmt.ws.ArcotAnARegistrySvcMessageReceiverInOut.invokeBusinessLogic(ArcotAnARegistrySvcMessageReceiverInOut.java:51)
at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:114)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:181)
at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
Thanks,
Vlad