Kepware Drivers > M Drivers > MTConnect > Error Descriptions > Current Update Mode Command Messages > Read for the data items <address> on device <device> failed. Reason: Unable to connect to the agent.
Read for the data items <address> on device <device> failed. Reason: Unable to connect to the agent.
Read for the data items <address> on device <device> failed. Reason: Unable to connect to the agent.
Error Type:
Serious
 
Possible Cause:
1. The agent that the IP address/host name pointed to in the device ID is not running.
2. An incorrect IP address/host name has been specified in the device ID.
3. An incorrect port number has been specified.
Solution:
1. Ensure that the agent is running.
2. Correct the IP address/host name so that it points to a valid agent.
3. Correct the port number to match the agent at the specified IP address.
 
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