i removed server from existing farm from central administratin _admin/FarmServers.aspx Servers in farm page, and after in exsting WFE servers and when i join the server to existing farm i get below error
Task configdb has failed with an unknown exception ---- 9 ERR Exception: System.InvalidOperationException: There was an error encrypting or decrypting credentials. Either a credential update is currently being performed, or you must update the farm account credentials on this server before you can perform this task. at Microsoft.SharePoint.Administration.SPEncryptedString.CheckCredentialLock() at Microsoft.SharePoint.Administration.SPManagedAccount.Deploy(SPApplicationPool applicationPool) at Microsoft.SharePoint.Administration.SPWebServiceInstance.Provision()
at Microsoft.SharePoint.Administration.SPFarm.Join() at Microsoft.SharePoint.PostSetupConfiguration.ConfigurationDatabaseTask.CreateOrConnectConfigDb() at Microsoft.SharePoint.PostSetupConfiguration.ConfigurationDatabaseTask.Run() at Microsoft.SharePoint.PostSetupConfiguration.TaskThread.ExecuteTask() Entering function Common.BuildExceptionMessage
I clered the configuration cache in all servers and run the again updatefarm credential command and after got the below error in event viewer Application Server Administration job failed for service instance Microsoft.Office.Server.Search.Administration.SearchServiceInstance ().
Reason: There was an error encrypting or decrypting credentials. Either a credential update is currently being performed, or you must update the farm account credentials on this server before you can perform this task.
Technical Support Details: System.InvalidOperationException: There was an error encrypting or decrypting credentials. Either a credential update is currently being performed, or you must update the farm account credentials on this server before you can perform this task. at Microsoft.Office.Server.Search.Administration.SearchServiceInstance.Synchronize() at Microsoft.Office.Server.Administration.ApplicationServerJob.ProvisionLocalSharedServiceInstances(Boolean isAdministrationServiceJob