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FabulaTech Forum USB Solutions USB over Network (Moderators: Tim_GaliullinFT, Andrew, Sergey_Jarovski) Error conecting to server Previous topic | Next topic
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pablodoe
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Error conecting to server
on: May 26th, 2022, 12:28pm 		Quote Quote  Modify Modify
Hello, I have the client app in a server with windows 2019, It cant connect to another windows 2019 with the server app.
 
The server app is connected to another clients without problems. I have license not used, isn't a license problem.
 
If I begin a callback connection to the client app, It works correctly.
 
But the problem is, the callback connection isn't restored when the server restart with automatic updates.
 
I need a full automated solution.
 
Thanks.
 
The debug log:
2022.05.26 09:13:59.943 [9588] [5292] [INFO]:   CVirtEngine::ConnectToServer: Begin 172.16.0.145:33000, sessionid=-1
2022.05.26 09:13:59.943 [9588] [5292] [ERROR]:  CUsbServer::SetSessionId: CDiscoveryInterface::GetAddressByHostname() error. LastError=87
2022.05.26 09:13:59.943 [9588] [5292] [DEBUG]:  CNetworkEngine::ConnectToServer: Start connection, ip:172.16.0.145, port: 33000
2022.05.26 09:13:59.943 [9588] [6524] [DEBUG]:  CNetworkEngine:ShockednNLChannelEvents: Begin (h=0100000000000005)
2022.05.26 09:13:59.943 [9588] [6524] [ERROR]:  CNetworkEngine:ShockednNLChannelEvents: Can`t connect, network subsystem error (h=0100000000000005)
2022.05.26 09:13:59.943 [9588] [6524] [DEBUG]:   CNetworkEngine:ShockednNLChannelEvents: End (h=0100000000000005)
2022.05.26 09:13:59.943 [9588] [5292] [DEBUG]:  CVirtEngine::ConnectToServer: End hConn=0100000000000005, sessionid=-1
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Sergey_Jarovski
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Re: Error conecting to server
Reply #1 on: May 27th, 2022, 9:37am 		Quote Quote  Modify Modify
Hi,
 
Thanks for using our product.
There is no option to restore the call back connection because there is no such connection in the server GUI after the PC reboot.
I mean USB over Network doesn't have such feature. But we'll implement it in one of the next releases.
Use USB over Network (server) CLI to create a callback connection for automation:
https://www.fabulatech.com/usb-over-network-server-help/server-command-line.html
callback add <host> [<port>] [-m <message>] [-p <password>]
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pablodoe
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Re: Error conecting to server
Reply #2 on: May 27th, 2022, 12:52pm 		Quote Quote  Modify Modify
Thanks for the reply. The workaround is good, but what about the initial issue?
 
THIS IS THE BAD CLIENT LOG:
22.05.27 09:23:53.871 [3012] [9512] [INFO]:   CVirtEngine::ConnectToServer: Begin pc_sa_dongles.bmr.local:33000, sessionid=-1
2022.05.27 09:23:53.871 [3012] [9512] [ERROR]:  CUsbServer::SetSessionId: CDiscoveryInterface::GetAddressByHostname() error. LastError=87
2022.05.27 09:23:53.871 [3012] [9512] [DEBUG]:  CNetworkEngine::ConnectToServer: Start connection, ip:pc_sa_dongles.bmr.local, port: 33000
2022.05.27 09:23:53.871 [3012] [8224] [DEBUG]:  CNetworkEngine::OnNLChannelEvents: Begin (h=0100000000000003)
2022.05.27 09:23:53.871 [3012] [8224] [ERROR]:  CNetworkEngine::OnNLChannelEvents: Can`t connect, network subsystem error (h=0100000000000003)
2022.05.27 09:23:53.871 [3012] [8224] [DEBUG]:   CNetworkEngine::OnNLChannelEvents: End (h=0100000000000003)
2022.05.27 09:23:53.871 [3012] [9512] [DEBUG]:  CVirtEngine::ConnectToServer: End hConn=0100000000000003, sessionid=-1
 
THIS IS A GOOD CLIENT:
2022.05.27 09:43:10.055 [1524] [5548] [INFO]:   CVirtEngine::ConnectToServer: Begin pc_sa_dongles.bmr.local:33000, sessionid=-1
2022.05.27 09:43:10.055 [1524] [5548] [ERROR]:  CUsbServer::SetSessionId: CDiscoveryInterface::GetAddressByHostname() error. LastError=87
2022.05.27 09:43:10.055 [1524] [5548] [DEBUG]:  CNetworkEngine::ConnectToServer: Start connection, ip:pc_sa_dongles.bmr.local, port: 33000
2022.05.27 09:43:10.070 [1524] [7124] [DEBUG]:  CNetworkEngine::OnNLChannelEvents: Begin (h=010000000000001D)
2022.05.27 09:43:10.070 [1524] [7124] [DEBUG]:  CNetworkEngine::OnNLChannelEvents: Connection opened (h=010000000000001D)
2022.05.27 09:43:10.070 [1524] [7124] [DEBUG]:   CNetworkEngine::OnNLChannelEvents: End (h=010000000000001D)
2022.05.27 09:43:10.070 [1524] [7888] [DEBUG]:  CUsbServer::ConnectionInitThread: Begin (hHandle=010000000000001D)
2022.05.27 09:43:10.070 [1524] [7888] [DEBUG]:  CUsbServer::InitConnectionToServer: start connection initialisation, handle: 010000000000001D, ID: 21
2022.05.27 09:43:10.070 [1524] [7888] [DEBUG]:  CUsbServer::InitConnectionToServer: writing INIT packet... 40 bytes written
2022.05.27 09:43:10.070 [1524] [7888] [DEBUG]:  CUsbServer::InitConnectionToServer: reading INIT packet...
2022.05.27 09:43:10.070 [1524] [5548] [DEBUG]:  CVirtEngine::ConnectToServer: End hConn=010000000000001D, sessionid=-1
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Sergey_Jarovski
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Re: Error conecting to server
Reply #3 on: May 28th, 2022, 2:08pm 		Quote Quote  Modify Modify
Hi,
 
1) Initial issue is "the callback connection isn't restored when the server restart".
2) "Can`t connect, network subsystem error" is another problem. I have sent you an email. Please reply.
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Sergey Jarovski

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