Exchange Contact Sync

[Rhys Haskell]

We are having issues syncing contacts from the exchange server:
2019/10/23 12:48:34.645|638|0048|Info|Sync-Job execution started
2019/10/23 12:48:34.645|638|0048|Info|ConvertPlusTo: +
2019/10/23 12:48:34.645|638|0048|Info|Synchronization of GAL started...
2019/10/23 12:48:34.645|638|0048|Info|Synchronization of public folders started...
2019/10/23 12:48:34.645|638|0048|Info|Synchronization of Public Folder Contacts started...
2019/10/23 12:48:34.701|638|0048|Erro|Error while checking contacts from Public Folder Contacts
2019/10/23 12:48:34.702|638|0048|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.MultiResponseServiceRequest1.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) at Integration.Exchange.SchedulerJob.SynchronizePublicFolderContacts(String FolderName) 2019/10/23 12:48:34.703|638|0048|Info|Synchronization of Public Folder company/contacts started... 2019/10/23 12:48:34.747|638|0048|Erro|Error while checking contacts from Public Folder company/contacts 2019/10/23 12:48:34.748|638|0048|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.MultiResponseServiceRequest1.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)
at Integration.Exchange.SchedulerJob.SynchronizePublicFolderContacts(String FolderName)
2019/10/23 12:48:34.748|638|0048|Info|Synchronization of personal contacts started...
2019/10/23 12:48:34.749|638|0048|Info|No E-Mail-Adresses configured for sync
2019/10/23 12:48:34.749|638|0048|Info|Sync-Job execution finished on: 10/23/19 12:48:34 PM taking 0.1037914 seconds
2019/10/23 12:48:36.811|638|0010|Verb|Enqueue Updated.REGISTRATION.29
2019/10/23 12:48:36.811|638|0011|Verb|Dequeue Updated.REGISTRATION.29
2019/10/23 12:48:37.137|638|0010|Verb|Enqueue Updated.REGISTRATION.21
2019/10/23 12:48:37.137|638|0011|Verb|Dequeue Updated.REGISTRATION.21
2019/10/23 12:48:47.859|638|0010|Verb|Enqueue Updated.REGISTRATION.1
2019/10/23 12:48:47.859|638|0011|Verb|Dequeue Updated.REGISTRATION.1

The above is the log, does anyone have any ideas of what the issue is?

 

[edossantos]

Is this a 3CX server running on Linux?

Googling the error you get:

System.ComponentModel.Win32Exception (0x80090020): GSSAPI operation failed with error - An invalid status code was supplied (Unknown error).

I found this which could be useful:
https://github.com/dotnet/corefx/issues/28961

Check the proposed "Workarounds".