Problems upgrading from 10 to 11.2

[haister2k]

Getting the following:
Performing system check...

* Environment check... OK
* Filesystem check... OK
* Network check... ERROR
* Dependency check... OK
* Running services check... WARNING

System check report:

Environment check passed.
Filesystem check passed.
Network check failed -- Could not find a host name in DNS that matches an IP address
Network check failed -- IP address '192.168.0.66' associated with host name 'corp.thetradeshowsuperstore.com' in DNS cannot be confirmed as this host's IP address
Dependency check passed.
Running services check warning -- Scalix server is already running.

Please help.

[jaime.pinto]

I don't what things have been like under version 10, but I noticed over the months since v11 has been out that it's quite picky about proper authoritative DNS (forward/reverse) as well as what goes into the /etc/host and /etc/resolv.conf, and the installer checks this information before hand.

Some of the posts on this thread give you a hint
viewtopic.php?t=9187