How to resolve the communication error 12007 (with Event ID 1014) occurring in the event logs?
Let us consider the below use case to resolve the communication error:
Problem Statement:
Error 12007 (Unable to resolve the server name) thrown by the agent due to DNS client error, displaying the Event ID 1014 in the event logs.
Problem Analysis:
The user is using Active Directory's DNS server that is configured to the server's network interface. Thus, during a network communication, the external domains including plus.site24x7.com, plus2.site24x7.com, and plus3.site24x7.com are resolved using this DNS server.
Note: By default, the domain resolver time-out of the DNS server is 3 seconds.
Troubleshooting Steps:
- Go to the device where the DNS server is running and open the DNS Manager using the commanddnsmgmt.msc
- Select the DNS Server which is configured in the device's network interface
- Select tab " Forwarders " and click on Edit
- Across the option " Number of seconds before forward queries time out ", change the time-out to 15 seconds
- Click OK to save the changes
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