DNS lookup failed with error: '11001 (No such host is known.)'. The service account in the Europe Server has been added to Kerberos and all linked servers work fine. Looking at the sql error log I don't see any related error messages. I am not sure this is related to service broker and alwayson

Can you pls explain more on this point:The endpoint has a problem resolving the DNS name. My Witness server is a VM machine. Will adding entries in host file will resolve the problem. python 3.x - Scrapy 1.6 : DNS lookup failed - Stack Overflow Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or … DNS Server Not Responding Error: How To Fix In Windows 10 Fix Network Address. First, the “DNS not responding” error might be a result of incorrect D. NS … #9821 (DNS lookup failure) – Cyberduck Jan 21, 2017

In cucm server an error 'DNS server unreachable' is showing. 'Reverse Lookup DNS failed' is showing debug test. But this type of problem is not heppening in windows server.

If, when attempting to access a site you receive the following message “lookup error” or “webpage is unavailable”, then there’s a good chance it is a DNS lookup error. Due to the constant DNS service halts, misconfigured firewalls and system crashes, DNS servers more often than not become unreachable. DNS lookup failed on host - Error - OpenVPN Support Forum

Easiest Way To Fix DNS Lookup Failed Error

Within the network there not any trouble locating and accessing remote systems, so DNS works. But NSLOOK up doesn't: $ nslookup *** Can't find server name for address 192.168.0.2: Server failed *** Default servers are not available but this isn't true (I think): tcpip sho host LOCAL database Host address Host name