Public Folder Migration Failed

This is the StackTrace Message from the Migration Batch: 

Microsoft.Exchange.ServiceHost.Core

StackTrace : at Microsoft.Exchange.Net.WcfClientBase`1.CallService(Action serviceCall, String context)

at Microsoft.Exchange.Connections.Common.WcfClientWithFaultHandling`2.CallService(Action

serviceCall, String context)

at Microsoft.Exchange.MailboxReplicationService.WcfClientWithVersion`2.CallService(Action

serviceCall, String context)

at Microsoft.Exchange.MailboxReplicationService.MailboxReplicationServiceClient.ArePublicFolders

ReadyForMigrationCompletion(String serverFqdn, PSCredential credential)

at Microsoft.Exchange.Migration.SyncAndCompleteJobActionHandler.<>c__DisplayClass14_0.<LockdownS

ourceForPublicFolderMailboxesMigration>b__0()

at Microsoft.Exchange.Migration.MigrationUtil.RetryOnTransientException(Action operation, Int32

maxRetryAttempts)

at Microsoft.Exchange.Migration.SyncAndCompleteJobActionHandler.LockdownSourceForPublicFolderMai

lboxesMigration(IMailboxReplicationServiceClient mrsClient, Fqdn remoteServer, PSCredential

credential)

at Microsoft.Exchange.Migration.SyncAndCompleteJobActionHandler.LockdownSourceForPublicFolderMai

lboxesMigration(PublicFolderEndpoint endpoint)

at Microsoft.Exchange.Migration.SyncAndCompleteJobActionHandler.Process(Func`1 shouldStop)

at Microsoft.Exchange.Migration.ActiveMigrationJobProcessor.ProcessObject()

at Microsoft.Exchange.Migration.MigrationHierarchyProcessorBase`4.InternalProcess(MigrationObjec

tProcessingReason reason)

at

Microsoft.Exchange.Migration.MigrationProcessorBase`2.Process(MigrationObjectProcessingReason

reason)