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Hello there!

We are encountering a similar issue as described here: https://community.webcon.com/forum/thread/4743?messageid=4743

Despite checking everything, we still haven't found a solution. After a few seconds, the license service stops and gets disconnected...

The problem seems to be:
The connection is initially established but after refreshing a few times it gets disconnected. How can we resolve this issue?

We have already set the TCP inbound rule to 8002.
The system time is correct.

OS: Windows Server 2016 1607 build 14393.7070

windows service log:
Faulting application name: WebCon.WorkFlow.Service.exe, version: 2023.1.3.202, time stamp: 0x8e09a86d
Faulting module name: ntdll.dll, version: 10.0.14393.7070, time stamp: 0x666269e8
Exception code: 0xc0000028
Fault offset: 0x00000000000a5a70
Faulting process id: 0x3dd8
Faulting application start time: 0x01dad1f5fad4b7a1
Faulting application path: C:\Program Files\WEBCON\WEBCON BPS WorkFlow Service\WebCon.WorkFlow.Service.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report Id: e616e2b0-0f38-47b1-b76f-4f8b73147cc9


error log:

Message=No connection could be made because the target machine actively refused it. (license-serv:8002)
Source=System.Private.ServiceModel
StackTrace= at System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(HttpRequestException requestException, HttpRequestMessage request, HttpAbortReason abortReason)
at System.ServiceModel.Channels.HttpChannelFactory`1.HttpClientRequestChannel.HttpClientChannelAsyncRequest.SendRequestAsync(Message message, TimeoutHelper timeoutHelper)
at System.ServiceModel.Channels.RequestChannel.RequestAsync(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.RequestChannel.RequestAsyncInternal(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(MethodCall methodCall, ProxyOperationRuntime operation)
at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(MethodInfo targetMethod, Object[] args)
at generatedProxy_1.Ping()
at WebCon.WorkFlow.BusinessLogic.Licencing.LicenceClientManager.ServiceAgent.ExecuteInternal[TResult](Func`2 executionMethod)
at WebCon.WorkFlow.BusinessLogic.Licencing.LicenceClientManager.ServiceAgent.Execute[TResult](Func`2 executionMethod)
at WebCon.WorkFlow.BusinessLogic.Licencing.LicenceClientManager.CheckIfServiceIsWorking()

InnerException:

Message=No connection could be made because the target machine actively refused it. (license-serv::8002)
Source=System.Private.ServiceModel
StackTrace= at System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(HttpRequestException requestException, HttpRequestMessage request, HttpAbortReason abortReason)
at System.ServiceModel.Channels.HttpChannelFactory`1.HttpClientRequestChannel.HttpClientChannelAsyncRequest.SendRequestAsync(Message message, TimeoutHelper timeoutHelper)
at System.ServiceModel.Channels.RequestChannel.RequestAsync(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.RequestChannel.RequestAsyncInternal(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(MethodCall methodCall, ProxyOperationRuntime operation)
at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(MethodInfo targetMethod, Object[] args)
at generatedProxy_1.Ping()
at WebCon.WorkFlow.BusinessLogic.Licencing.LicenceClientManager.ServiceAgent.ExecuteInternal[TResult](Func`2 executionMethod)
at WebCon.WorkFlow.BusinessLogic.Licencing.LicenceClientManager.ServiceAgent.Execute[TResult](Func`2 executionMethod)
at WebCon.WorkFlow.BusinessLogic.Licencing.LicenceClientManager.CheckIfServiceIsWorking()



Thank you!