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Redundancy master frequently failed on both OPC services

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Newbie

Redundancy master frequently failed on both OPC services

Hi,

Does anyone know the reason why redundancy master frequently failed as error reported in the log below

We has redundant OPC client that pulling data from 2 redundancy master. 

 

10/31/2019 2:37:29.902 PM Error AdvDsOPCConnector.exe (3356) Unable to retrieve status for server 'Kepware.KEPServerEX.V6' on primary machine '105.168.4.3'. Server communications has been lost.
10/31/2019 2:37:29.902 PM Information AdvDsOPCConnector.exe (3356) Disconnected from 'Kepware.KEPServerEX.V6' on primary machine '105.168.4.3'.
10/31/2019 2:37:32.454 PM Error AdvDsOPCConnector.exe (3356) Unable to retrieve status for server 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'. Server communications has been lost.
10/31/2019 2:37:32.455 PM Information AdvDsOPCConnector.exe (3356) Disconnected from 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'.
10/31/2019 2:38:14.623 PM Information AdvDsOPCConnector.exe (3356) Connected to 'Kepware.KEPServerEX.V6' on primary machine '105.168.4.3'.
10/31/2019 2:38:14.627 PM Information AdvDsOPCConnector.exe (3356) Promoted active connection for server 'Kepware.KEPServerEX.V6' to primary machine '105.168.4.3'.
10/31/2019 2:38:30.949 PM Information AdvDsOPCConnector.exe (3356) Connected to 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'.
10/31/2019 2:39:09.760 PM Information AdvDsOPCConnector.exe (3356) Monitor item test passed for 'Kepware.KEPServerEX.V6' on primary machine '105.168.4.3'.
10/31/2019 2:39:09.760 PM Information AdvDsOPCConnector.exe (3356) Monitor item test passed for 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'.
10/31/2019 4:20:11.339 PM Information AdvDsOPCConnector.exe (3356) Received shutdown notification from server 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'.
10/31/2019 4:20:11.339 PM Information AdvDsOPCConnector.exe (3356) Disconnected from 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'.
10/31/2019 4:20:25.764 PM Error AdvDsOPCConnector.exe (3356) Failed to connect to 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7' (connect timed out).
10/31/2019 4:20:35.243 PM Information AdvDsOPCConnector.exe (3356) Connected to 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'.
10/31/2019 4:20:52.808 PM Information AdvDsOPCConnector.exe (3356) Monitor item test passed for 'Kepware.KEPServerEX.V6' on secondary machine '105.168.4.7'.

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