Troubleshoot CAS

- [Instructor] Most troubleshooting models include an…analysis of what may have changed that could have…contributed to the problem.…When you start changing over name space and…installing new versions of the same product…in an existing environment, it can be tricky…nailing down which change is the culprit.…One thing that can help is to narrow things…down by the scope of the problem.…If every user and every client application…on the same side of the router has an issue…connecting, the problem has to be something…shared by everyone on that side of the router.…

Externally, this is most likely the firewall…settings, or DNS.…If this is the case, your best approach to…resolving DNS issues is to roll back your…DNS or port forwarding changes and start…testing the servers one at a time.…This involves setting DNS for the rest…of the world, while allowing a test workstation…to have its own name resolution, independent…of the DNS server.…You can do this on any Windows computer.…

On any Windows workstation or server, in the…Windows directory, inside System32, there's a…