Exchange Remote Connectivity Analyzer

Hello. I have a new Exchange 2013 CU2 installation (new domain also). When I run the test for EWS I get the message below. How can I fix this? All the other test are ok.

Regards

	Creating a temporary folder to perform synchronization tests.
	Failed to create temporary folder for performing tests.
	Image may be NSFW. Clik here to view. Additional Details

The response received from the service didn't contain valid XML.
Type: Microsoft.Exchange.WebServices.Data.ServiceRequestException
Stack Trace
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ReadXmlDeclaration(EwsServiceXmlReader reader)
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ReadSoapFault(EwsServiceXmlReader reader)
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ProcessWebException(WebException webException)
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(IEwsHttpWebRequest request)
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ValidateAndEmitRequest(IEwsHttpWebRequest& request)
at Microsoft.Exchange.WebServices.Data.ExchangeService.InternalFindFolders(IEnumerable`1 parentFolderIds, SearchFilter searchFilter, FolderView view, ServiceErrorHandling errorHandlingMode)
at Microsoft.Exchange.WebServices.Data.ExchangeService.FindFolders(FolderId parentFolderId, SearchFilter searchFilter, FolderView view)
at Microsoft.Exchange.WebServices.Data.Folder.FindFolders(SearchFilter searchFilter, FolderView view)
at Microsoft.Exchange.Tools.ExRca.Tests.GetOrCreateSyncFolderTest.PerformTestReally()
Exception Details

Message: DTD is prohibited in this XML document.
Module: System.Xml.XmlException
Stack Trace
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.ParseDoctypeDecl()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlCharCheckingReader.Read()
at Microsoft.Exchange.WebServices.Data.EwsXmlReader.Read(XmlNodeType nodeType)
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ReadXmlDeclaration(EwsServiceXmlReader reader)