We are using email service on hotmail through custom domain ( i.e nautankifilms.com ). From last 4-5 days one the user is unable to login using webmail/Mobile. Here is the error:
Please help us resolve the issue ASAP.
Microsoft.Exchange.Data.Directory.ADAccountPartitionLocator.GetPartitionIdByAcceptedDomainName(String acceptedDomainName, String& tenantContainerCN, Guid& externalDirectoryOrganizationId, Boolean directGlsDbQuery)
Microsoft.Exchange.Data.Directory.OrganizationId.FromAcceptedDomain(String acceptedDomain)
Microsoft.Exchange.Data.Directory.ADSessionSettingsFactory.FromBusinessTenantAcceptedDomain(String domain)
Microsoft.Exchange.Data.Directory.Diagnostics.ADScenarioLog.InvokeWithAPILog[T](DateTime whenUTC, String name, Guid activityId, String implementation, String caller, Func`1 action, Func`1 getDcFunc)
Microsoft.Exchange.Data.Directory.ADSessionSettings.InvokeWithAPILogging[T](Func`1 action, String memberName)
Microsoft.Exchange.Clients.Owa.Core.Utilities.CreateScopedADSessionSettings(String domain)
Microsoft.Exchange.Clients.Owa.Core.OwaClientSecurityContextIdentity.InternalCreateExchangePrincipal()
Microsoft.Exchange.Clients.Owa.Core.OwaIdentity.CreateExchangePrincipal()
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.GetExchangePrincipal(OwaContext owaContext, ExchangePrincipal& exchangePrincipal)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.PrepareRequestWithoutSession(OwaContext owaContext, UserContextCookie userContextCookie)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.AcquireAndPreprocessUserContext(OwaContext owaContext, HttpRequest request)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.InternalDispatchRequest(OwaContext owaContext)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.DispatchRequest(OwaContext owaContext)
Microsoft.Exchange.Clients.Owa.Core.OwaRequestEventInspector.OnPostAuthorizeRequest(Object sender, EventArgs e)
Microsoft.Exchange.Clients.Owa.Core.OwaModule.OnPostAuthorizeRequest(Object sender, EventArgs e)
System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)