3cx v16.0.493 - Exchange Contacts public folder

[Alex Santos]

Hi,

I try connect 3cx to exchange to sync contacts, i already create connector and impersonate user. I do read/right permissions to 3cx in the public folder, but always have this error.

------------|Inf(00)| Date: 08/01/2020 15:47:36
2020/01/08 15:47:36.278|29415|0001|Inf|Log is created
2020/01/08 15:47:37.577|29415|0001|Info|Log verbosity is set to Low
2020/01/08 15:47:45.405|29415|0024|Erro|Error while checking contacts from Public Folder Contactos
2020/01/08 15:47:45.430|29415|0024|Excpt|System.ComponentModel.Win32Exception (0x80090020): GSSAPI operation failed with error - An invalid status code was supplied (Unknown error).
at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
at System.Net.WebRequest.<>c.<GetResponseAsync>b__68_2(IAsyncResult iar)
at System.Threading.Tasks.TaskFactory1.FromAsyncCoreLogic(IAsyncResult iar, Func2 endFunction, Action1 endAction, Task1 promise, Boolean requiresSynchronization)
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.Exchange.WebServices.Data.EwsHttpWebRequest.Microsoft.Exchange.WebServices.Data.IEwsHttpWebRequest.GetResponse()
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.GetEwsHttpWebResponse(IEwsHttpWebRequest request)
at Microsoft.Exchange.WebServices.Data.ServiceRequestBase.ValidateAndEmitRequest()
at Microsoft.Exchange.WebServices.Data.SimpleServiceRequestBase.InternalExecuteAsync()
at Microsoft.Exchange.WebServices.Data.MultiResponseServiceRequest`1.ExecuteAsync()
at Microsoft.Exchange.WebServices.Data.ExchangeService.FindFolders(FolderId parentFolderId, FolderView view)
at Integration.Exchange.Contacts.PublicFolderExtensions.GetTopLevelFolder(ExchangeService service, String folderName)
at Integration.Exchange.Contacts.PublicFolderExtensions.GetPublicFolderByPath(ExchangeService service, String ewsFolderPath)
at Integration.Exchange.Contacts.PublicFolderExtensions.GetContactsFromPublicFolder(ExchangeService service, Int32 id, String PublicFolder, String ConvertPlusTo)



Any ideas?

Thank you