UiPath IdentityServer could not be contacted

[BaptisteG (Gerbeaux)]

Hello,

I’ve the following issue when i try to acces to the orchestrator :

UiPath IdentityServer could not be contacted at “https://dv01vwrpa01.w2k.cg76.fr/identity/.well-known/openid-configuration” after 3 retries.System.Net.Http.HttpRequestException: Response status code does not indicate success: 407 (Proxy Authentication Required).
at HttpResponseMessage System.Net.Http.HttpResponseMessage.EnsureSuccessStatusCode()
at void UiPath.Orchestrator.Security.Auth.SystemOpenIdConnectAuthenticationExtensions+<>c__DisplayClass17_0+<b__0>d.MoveNext()
at void Polly.AsyncPolicy+<>c__DisplayClass40_0+<b__0>d.MoveNext()
at async Task Polly.Retry.AsyncRetryEngine.ImplementationAsync(Func<Context, CancellationToken, Task> action, Context context, CancellationToken cancellationToken, ExceptionPredicates shouldRetryExceptionPredicates, ResultPredicates shouldRetryResultPredicates, Func<DelegateResult, TimeSpan, int, Context, Task> onRetryAsync, int permittedRetryCount, IEnumerable sleepDurationsEnumerable, Func<int, DelegateResult, Context, TimeSpan> sleepDurationProvider, bool continueOnCapturedContext)
at async Task Polly.AsyncPolicy.ExecuteAsync(Func<Context, CancellationToken, Task> action, Context context, CancellationToken cancellationToken, bool continueOnCapturedContext)
at async Task UiPath.Orchestrator.Security.Auth.SystemOpenIdConnectAuthenticationExtensions.TestIdentityServerConnection(string authority)

do you know what is the problem ?