Offline Address Book exchange 2007 not Synchronizer

I get error.

10:59:33 xxxxx@yyyyy.com [Offline Address Book] MailClient.Storage.Application.OperationException: Синхронизация списка папок не удалась из-за ошибки: Exception of type ‘MailClient.Protocols.Common.HttpResponseException’ was thrown.
10:59:33 —> MailClient.Protocols.Common.HttpResponseException: Exception of type ‘MailClient.Protocols.Common.HttpResponseException’ was thrown.
10:59:33 at MailClient.Protocols.OfflineAddressBook.OabFolderSynchronizer.GetFolderList(IListFoldersProgress progress, Folder homeFolder, CancellationToken cancellationToken)
10:59:33 at MailClient.Protocols.Common.FolderSynchronizer.<>c__DisplayClass15_2.b__1(WorkerStatus status, CancellationToken cancellationToken)
10:59:33 at MailClient.Protocols.OfflineAddressBook.OabGenericCommand.Execute(WorkerStatus status)
10:59:33 — End of inner exception stack trace —
10:59:33 at MailClient.Protocols.OfflineAddressBook.OabGenericCommand.Execute(WorkerStatus status)
10:59:33 at MailClient.Commands.Command.Process(WorkerStatus status)

How fix it?