403 Forbidden error while configuring WorkFlow Manager

  When configuring WFM I recently got 403 System.Net.WebException: Remote Server returned the error: (403) Forbidden.    at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context)    at System.Net.HttpWebRequest.GetRequestStream()    at Microsoft.ServiceBus.TokenProviderHelper.GetWindowsAccessTokenCore(IEnumerator`1 stsUris, Func`2 uriBuilder, String requestToken, TimeSpan timeout, DateTime& expiresIn)    — Ende der internen Ausnahmestapelüberwachung —    at Microsoft.ServiceBus.TokenProviderHelper.ThrowException(Uri requestUri, WebException exception)    at Microsoft.ServiceBus.TokenProviderHelper.GetWindowsAccessTokenCore(IEnumerator`1 stsUris, Func`2 uriBuilder, String… Read more