WSUS Hatası Hakkında

Merhaba arkadaşlar,

Wsus yeni kurdum 3 gündür çalışıyordu biranda durdu ve aşağıdaki hatayı veriyor ve iis wsus servis vs hesini restart edip denedim olmadı acil yardım bu arada server 2016. saygılarımla.

The WSUS administration console was unable to connect to the WSUS Server via the remote API.

Verify that the Update Services service, IIS and SQL are running on the server. If the problem persists, try restarting IIS, SQL, and the Update Services Service.

System.Net.WebException -- The request failed with HTTP status 503: Service Unavailable.

Source
System.Web.Services

Stack Trace:
at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Microsoft.UpdateServices.Internal.ApiRemoting.ExecuteSPGetConfiguration()
at Microsoft.UpdateServices.Internal.DatabaseAccess.AdminDataAccessProxy.ExecuteSPGetConfiguration()
at Microsoft.UpdateServices.Internal.BaseApi.UpdateServerConfiguration.Load()
at Microsoft.UpdateServices.Internal.ClassFactory.CreateWellKnownType(Type type, Object[] args)
at Microsoft.UpdateServices.Internal.ClassFactory.CreateInstance(Type type, Object[] args)
at Microsoft.UpdateServices.Internal.BaseApi.UpdateServer.GetConfiguration()
at Microsoft.UpdateServices.UI.AdminApiAccess.CachedObject.RefreshCache()
at Microsoft.UpdateServices.UI.AdminApiAccess.CachedObject.GetFromCache()
at Microsoft.UpdateServices.UI.AdminApiAccess.PermissionsManager.IsPermitted(UserOperation operation)
at Microsoft.UpdateServices.UI.SnapIn.Scope.UpdatesSummaryScopeNode.RefreshPermissions()
at Microsoft.UpdateServices.UI.SnapIn.Scope.ServerSummaryScopeNode.AddChildNodes()
at Microsoft.UpdateServices.UI.SnapIn.Scope.ServerSummaryScopeNode.ConnectToServerAndPopulateNode(Boolean connectingServerToConsole)
at Microsoft.UpdateServices.UI.SnapIn.Scope.ServerSummaryScopeNode.ResetScopeNode()