DNS suffix search order

Kinda strange, I have a dns suffix search order set in a gpo for 6 dns
domains, when I do an ipconfig /all it only shows 5 and it will only resolve
those five zones. If I try to resolved abc.123.com (123.com being the 6th
zone) I get nothing. But I look in
hklm\software\policies\microsoft\windowsnt\dnsclient in the searchlist key
and all 6 are there. Anyone know of a fix for this... It is killng me,
otherwise I will have to use hosts files, or should I just kill the order and
let the DNS server do all the work since all of these zones are on all of my
dns servers... This GPO changed in win2k3 kinda has me mixed up.

Thanks

 

Until today I thought that the maximum number of DNS suffixes a DNS client
would resolve could be 5 but actually I must admit I'm ignorant. I've
searched around and it seems like the maximum number is 50!

I didn't find anything in Microsoft except an article that suggests not to
use too many DNS suffixes because this would lead to too much network
traffic.
http://technet2.microsoft.com/Windo...fcdb-44be-bbdf-f6a2838df7c31033.mspx?mfr=true

Jsifaq states that there is no limit to the number of entries in the
configuration tab but that the resolver would only use the first 50 of them.
http://www.jsifaq.com/SUBN/tip6600/rh6601.htm

The only article that could eventually help you (being the problem reported
similar to yours) is this KB: http://support.microsoft.com/kb/818349/en-us

Hope it helps.

Regards,

Carlo

 

This would depend on whether you must have host name lookup in these zones.
If these are zones for internet domains and not Active Directory or NT4
resource domains you probably don't need to search the zones for host names.
If however, they are AD or NT4 resource domains and you are using WINS for
all the clients you might consider configuring each of the zones to search
WINS for unknown hosts and have only the default domain in the search list.
By using WINS lookups, most clients regardless of OS can use and register in
WINS, whether they can register in DNS or not. When you do a hostname lookup
in DNS, the DNS checks the WINS server for the host. It actually works very
good.



--
Best regards,
Kevin D. Goodknecht Sr. [MVP]
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