The Microsoft Exchange Active Directory Topology service on server localhost can't be contacted via

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T

Tom Park

Hi All, Im new to Exchange 2010. I need help to with this error.

I am running Server 2008 R2 Enterprise Edition. With Exchange 2010 installed. For some reason I am getting the following error when i try to access the OWA.
My Server is also a GC/DC Server. It has TWO NIC's installed but the second NIC is used in the Hyper-V server and is not accessable from the Server 2008 R2. I also have a second DC Which is a Vertual Server as we don't have much space.

Some times I get the message at the top of this post or I get the following;

The Exchange server issued an unexpected response (500).

or
Outlook Web App didn't initialize. If the problem continues, please contact your helpdesk. The Microsoft Exchange Active Directory Topology service on server localhost can't be contacted via RPC. Error 0x5.
Request
Url: https://admin.parkfamilyweb.co.uk:443/owa/auth/error.aspx
User host address: 188.222.221.252
OWA version: 14.0.639.21
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 0x5.
Call stack

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

Microsoft.Exchange.Clients.Owa.Core.Globals.InitializeApplication()
Microsoft.Exchange.Clients.Owa.Core.Global.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 0x5.
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 0x5 (Access is denied) 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)

I need to get this sorted quickly if that is possable as this is all part of our new network.

I hope someone can shead some light on this for me.

Regaurds

Tom
 
H

HereToHelp

if i understand correctly

you have a server 2008 r2 with two NICs and it is DC, GC and Exchange 2010 installed on it.

there have been many issue with multiple NICs on exchange servers. try disabling the second and NIC, restart IIS and see if it solves it.

MCSE | MCITP - Server 2008 | MCITP - Exchange 2007 | MCTS - Exchange 2010
 
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