SqlServer-QA.net

Within a Database Mirroring session within an automatic failover situation it may fail with the error : ''The server network address ''%.*ls'' can not be reached or does not exist. Check the network address name and reissue the command''. If you suspect DNS as a culprit for failure to connect, then perform a PING against that Server is a good ...

Lately we have been getting complaints that database mirroring setup on few of our client's site were failing with TCP related errors. For more information these sites are involved within the firewall setup and active directory too. Initial workaround is to add a Server name & port record in both networks DNS servers or add both SQL servers ...