Hi,
I have also tried this step , But Iam unable to restart Microsoft Exchange Active Directory Topology Services. Its not running. and
i am getting this error in the eventviewer
Process ExSetupUI.exe (PID=4692). WCF request (Set Config DC xxxxx) to the Microsoft Exchange Active Directory Topology service on server (TopologyClientTcpEndpoint (localhost)) failed. Make sure that the service is running. In addition, make sure that the
network ports that are used by Microsoft Exchange Active Directory Topology service are not blocked by a firewall. The WCF call was retried 3 time(s). Error Details
System.ServiceModel.EndpointNotFoundException: Could not connect to net.tcp://localhost:890/Microsoft.Exchange.Directory.TopologyService. The connection attempt lasted for a time span of 00:00:02.0291063. TCP error code 10061: No connection could be made
because the target machine actively refused it 127.0.0.1:890. ---> System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:890
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.Sockets.Socket.Connect(EndPoint remoteEP)
at System.ServiceModel.Channels.SocketConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
--- End of inner exception stack trace ---
Server stack trace:
at System.ServiceModel.Channels.SocketConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
at System.ServiceModel.Channels.BufferedConnectionInitiator.Connect(Uri uri, TimeSpan timeout)
at System.ServiceModel.Channels.ConnectionPoolHelper.EstablishConnection(TimeSpan timeout)
at System.ServiceModel.Channels.ClientFramingDuplexSessionChannel.OnOpen(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannel.OnOpen(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at System.ServiceModel.ICommunicationObject.Open()
at Microsoft.Exchange.Net.ServiceProxyPool`1.GetClient(Int32 retry, Boolean& doNotReturnProxyAfterRetry, Boolean useCache)
at Microsoft.Exchange.Net.ServiceProxyPool`1.TryCallServiceWithRetry(Action`1 action, String debugMessage, WCFConnectionStateTuple proxyToUse, Int32 numberOfRetries, Boolean doNotReturnProxyOnSuccess, Exception& exception)
1. Locate Microsoft.Exchange.Directory.TopologyService.exe.config File under "C:\Program Files\Microsoft\Exchange Server\V15\Bin"
2. Open NotePad As Administrator & Then Open Microsoft.Exchange.Directory.TopologyService.exe.config File
3. Locate "Topology MinimumPrefixMatch"
4. Add MinSuitableServer = "1"
5. Save The File & Restart Microsoft Exchange Active Directory Topology Services
