Any ideas, what could be the issue. I tried changing the proxy as well.
Error Details
Scheduler::GetCurrentSchedulerSettingsWithRetry : GetCurrentSchedulerSettingsWithRetry failed.
Microsoft.IdentityModel.Clients.ActiveDirectory.AdalServiceException: user_realm_discovery_failed: User realm discovery failed ---> System.Net.WebException: The remote server returned an error: (501) Not Implemented.
at System.Net.HttpWebRequest.GetResponse()
at Microsoft.IdentityModel.Clients.ActiveDirectory.HttpWebRequestWrapper.<GetResponseSyncOrAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.IdentityModel.Clients.ActiveDirectory.UserRealmDiscoveryResponse.<CreateByDiscoveryAsync>d__0.MoveNext()
--- End of inner exception stack trace ---
at Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext.RunAsyncTask[T](Task`1 task)
at Microsoft.Online.Coexistence.ProvisionHelper.GetADALToken(String userName, String userPassword, MSOInstance adalServiceResource)
at Microsoft.Online.Coexistence.ProvisionHelper.GetSecurityToken(String userName, String userPassword, MSOInstance adalServiceResource)
at Microsoft.Azure.ActiveDirectory.Synchronization.ProvisioningWebServiceAdapter.ProvisioningWebServiceAdapter.TypeDependencies.ProvisionHelperGetSecurityToken(ProvisionHelper provisionHelper, String userName, SecureString userPassword)
at Microsoft.Azure.ActiveDirectory.Synchronization.ProvisioningWebServiceAdapter.ProvisioningWebServiceAdapter.InitializeProvisionHelper()
at Microsoft.Azure.ActiveDirectory.Synchronization.ProvisioningWebServiceAdapter.ProvisioningWebServiceAdapter.Initialize()
at Microsoft.Azure.ActiveDirectory.Synchronization.ProvisioningWebServiceAdapter.ProvisioningWebServiceAdapter.GetCompanyConfiguration(Boolean includeLicenseInformation)
at Microsoft.Azure.ActiveDirectory.Synchronization.AADConfig.get_CloudEnforcedSyncSchedulerInterval()
at Microsoft.MetadirectoryServices.Scheduler.SchedulerSettingUtilities.get_CurrentSchedulerSettings()
at SchedulerUtils.GetCurrentSchedulerSettings(SchedulerUtils* , _ConfigAttrNode* pcanList, UInt32 ccanItems, Char** syncSettingsSerialized, Char** errorString)
ErrorCode: user_realm_discovery_failed
StatusCode: 0
Will retry in 15 seconds.
Thanks
pavan ch