Did anyone ever find a solution to this? I'm having the same problem. From the DEM Worker logs:
Workflow "vCloudEndpointDataCollection" failed with the following exception:
System.ArgumentException: Cannot connect to vCloud serverUrl:https://10.100.128.21, userName:govorgvcac, org:GOVorgvDC. Please verify endpoint and credentials. ---> com.vmware.vcloud.sdk.utility.VCloudRuntimeException: The given header was not found. ---> System.InvalidOperationException: The given header was not found.
at System.Net.Http.Headers.HttpHeaders.GetValues(String name)
at com.vmware.vcloud.sdk.utility.RestUtil.Login(vCloudClient client, String url, HttpRequestHeaders authHeader)
--- End of inner exception stack trace ---
at com.vmware.vcloud.sdk.vCloudClient.Login(String userName, String password)
at DynamicOps.VCloudModel.Interface.VCloudManagementServices.LogOn(String serverUrl, String userName, String password, String org)
--- End of inner exception stack trace ---
at DynamicOps.VCloudModel.Interface.VCloudManagementServices.LogOn(String serverUrl, String userName, String password, String org)
at DynamicOps.VCloudModel.Activities.VCloudLogOn.Execute(CodeActivityContext context)
at System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)
INNER EXCEPTION: com.vmware.vcloud.sdk.utility.VCloudRuntimeException: The given header was not found. ---> System.InvalidOperationException: The given header was not found.
at System.Net.Http.Headers.HttpHeaders.GetValues(String name)
at com.vmware.vcloud.sdk.utility.RestUtil.Login(vCloudClient client, String url, HttpRequestHeaders authHeader)
--- End of inner exception stack trace ---
at com.vmware.vcloud.sdk.vCloudClient.Login(String userName, String password)
at DynamicOps.VCloudModel.Interface.VCloudManagementServices.LogOn(String serverUrl, String userName, String password, String org)