Proxy Tunnel Error

Hello Community,

I am getting this issue while opening UiPath Studio.

RemoteException wrapping System.Net.Http.HttpRequestException: The proxy tunnel request to proxy ‘http://LS\1pandeya:Kbe%40123456@proxy.standard.corp:8080/’ failed with status code ‘403’."
at System.Net.Http.HttpConnectionPool.EstablishProxyTunnelAsync(Boolean async, HttpRequestHeaders headers, CancellationToken cancellationToken)
at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken)
at System.Net.Http.HttpConnectionPool.AddHttp11ConnectionAsync(HttpRequestMessage request)
at System.Threading.Tasks.TaskCompletionSourceWithCancellation1.WaitWithCancellationAsync(CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.GetHttp11ConnectionAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithVersionDetectionAndRetryAsync(HttpRequestMessage request, Boolean async, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.DiagnosticsHandler.SendAsyncCore(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, Boolean async, CancellationToken cancellationToken) at UiPath.Service.Utils.OrchestratorHttpHandler.SendWithTokenRetryAsync(HttpRequestMessage request, CancellationToken ct) at UiPath.Service.Utils.OrchestratorHttpHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationTokenSource cts, Boolean disposeCts, CancellationTokenSource pendingRequestsCts, CancellationToken originalCancellationToken) at UiPath.Service.Orchestrator.Clients.OrchestratorClientFactory.GetVersionAsync(HttpClient httpClient, String orchestratorUrl, Boolean oneShotMode, CancellationToken ct) at UiPath.Service.Orchestrator.Clients.OrchestratorClientFactory.GetClientAsync(HttpClient httpClient, ConnectionInfoMachineKey info, String installationId, MachineAuthentication machineAuthentication, Nullable1 oneshotJobId, CancellationToken ct)
at UiPath.Service.Orchestrator.OrchestratorController.PerformConnect_MachineKeyAsync(ConnectionInfoMachineKey connectionInfo)
at UiPath.Service.Orchestrator.OrchestratorController.PerformConnect_MachineKeyAsync(ConnectionInfoMachineKey connectionInfo)
at UiPath.Service.Orchestrator.OrchestratorController.ConnectToServer(IConnectionInfo connectionInfo, CancellationToken ct)
at UiPath.Service.Settings.SettingsOperations.<>c__DisplayClass8_0.<b__0>d.MoveNext()
— End of stack trace from previous location —
at UiPath.Service.HttpExceptions.Improve[T](Func1 code) at UiPath.CoreIpc.Server.<>c__DisplayClass7_3.<<-ctor>g__InvokeMethod|6>d.MoveNext() --- End of stack trace from previous location --- at UiPath.CoreIpc.Server.<>c__DisplayClass7_1.<<-ctor>g__HandleRequest|3>d.MoveNext() --- End of stack trace from previous location --- at UiPath.CoreIpc.Server.<>c__DisplayClass7_2.<<-ctor>b__5>d.MoveNext() --- End of stack trace from previous location --- at UiPath.CoreIpc.Helpers.Timeout[TResult](TimeSpan timeout, List1 cancellationTokens, Func2 func, String message, Func2 exceptionHandler)

Thanks In Advance.
Ashish Pandey

@ashish.pandey0920

As per error your proxy authentication is failign…please check this on properly redirecting through proxy

https://docs.uipath.com/robot/standalone/2023.4/user-guide/redirecting-robots-through-a-proxy-server

cheers