Error

Request
Url: https://webmail.aifa.gov.it:443/owa/auth/error.aspx?url=https://webmail.aifa.gov.it/owa/&reason=0
OWA version: 14.3.513.0

Exception
Exception type: Microsoft.Exchange.Clients.Owa.Core.OwaInvalidConfigurationException
Exception message: The Microsoft Exchange Active Directory Topology service on server localhost can't be contacted via RPC. Error 0x6D9.

Call stack

Microsoft.Exchange.Clients.Owa.Core.OwaConfigurationManager.CreateAndLoadConfigurationManager()

Microsoft.Exchange.Clients.Owa.Core.OwaSettingsLoaderBase.Load()

Microsoft.Exchange.Clients.Owa.Core.OwaSettingsLoader.Load()

Microsoft.Exchange.Clients.Owa.Core.OwaApplicationBase.ExecuteApplicationStart(Object sender, EventArgs e)

Inner Exception
Exception type: Microsoft.Exchange.Data.Directory.ADTransientException
Exception message: The Microsoft Exchange Active Directory Topology service on server localhost can't be contacted via RPC. Error 0x6D9.

Call stack

Microsoft.Exchange.Data.Directory.DSAccessTopologyProvider.GetServersForRole(String[] currentlyUsedServers, ADServerRole role, Int32 serversRequested, Int32[]& mapping)

Microsoft.Exchange.Data.Directory.DSAccessTopologyProvider.GetConfigDCInfo(Boolean throwOnFailure)

Microsoft.Exchange.Data.Directory.TopologyProvider.PopulateConfigNamingContexts()

Microsoft.Exchange.Data.Directory.ADSession.GetConfigurationNamingContext()

Microsoft.Exchange.Data.Directory.SystemConfiguration.ADSystemConfigurationSession.GetRootOrgContainerId(String fqdn, NetworkCredential credential)

Microsoft.Exchange.Clients.Owa.Core.Utilities.CreateADSystemConfigurationSessionScopedToFirstOrg(Boolean readOnly, ConsistencyMode consistencyMode)

Microsoft.Exchange.Clients.Owa.Core.OwaConfigurationManager.InitializeConfigurationManager()

Microsoft.Exchange.Clients.Owa.Core.OwaConfigurationManager.CreateAndLoadConfigurationManager()

Inner Exception
Exception type: Microsoft.Exchange.Rpc.RpcException
Exception message: Error 0x6d9 (There are no more endpoints available from the endpoint mapper) from HrGetServersForRole

Call stack

ThrowRpcException(Int32 rpcStatus, String message)

Microsoft.Exchange.Rpc.RpcClientBase.ThrowRpcException(Int32 rpcStatus, String routineName)

Microsoft.Exchange.Rpc.ADTopology.ADTopoRpcClient.HrGetServersForRole(String[] currentlyUsedServers, ServerRole role, Int32 serversRequested, ServerInfo[]& suitableServers, Int32[]& mapping)

Microsoft.Exchange.Data.Directory.DSAccessTopologyProvider.GetServersForRole(String[] currentlyUsedServers, ADServerRole role, Int32 serversRequested, Int32[]& mapping)

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The Microsoft Exchange Active Directory Topology service on server localhost can't be contacted via RPC. Error 0x6D9.