Power Edge R710-The Intel(R) Ethernet Converged Network Adapter X540-T2 has been deactivated from the team.

Power Edge R710, hosting Exchange cluster server became unresponsive and cluster resources automatically fail-over to other node. Performed hard reboot, after reboot server is up and running.

We have below events in system log when server was unresponsive and cluster fail-over.

Please help to investigate what caused the network adapter to deactivate

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Log Name:      System

Source:        iANSMiniport

Date:          18/10/2016 18:30:12

Event ID:      11

Task Category: None

Level:         Warning

Keywords:      Classic

User:          N/A

Computer:      GBCSEXMB02b.int.elekta.com

Description:

Adapter link down: Intel(R) Ethernet Converged Network Adapter X540-T2

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Log Name:      System

Source:        iANSMiniport

Date:          18/10/2016 18:30:12

Event ID:      13

Task Category: None

Level:         Warning

Keywords:      Classic

User:          N/A

Computer:      GBCSEXMB02b.int.elekta.com

Description:

The Intel(R) Ethernet Converged Network Adapter X540-T2 has been deactivated from the team.

Adapter driver details:

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Driver Name:        ixt60x64.sys

Driver Version:      3.4.47.0

Driver Date:          3/2/2013