NetBIOS name resolution not using HOSTS file and DNS

harmandeep

VirTuaLiZaTioN Freak
Adept
Target - Test Windows Name Resolution Process and Hierarchy being followed

ISSUE - Steps 6 and 7 (of section --> Windows Methods of Resolving NetBIOS Names) not being carried out

http://technet.microsoft.com/en-us/library/bb727013.aspx#EFAA

Setup:-

WINS Server - 11.0.0.111 / 8

DNS Server - 11.0.0.1 / 8

Two XP DNS Clients Exist

S1-xp-01 - 11.0.0.51 / 8

S2-xp-01 - 15.0.0.51 / 8

S1-xp-01 /etc/hosts contents excerpt:

15.0.0.51 s2-xp-01.s2.com

S1-xp-01 Details:-

1) As it's using WINS - thereby has Hybrid Node.

2) Using DNS Server - 11.0.0.1 / 8

3) Winsock - Service Provider - all values at default.

S2-xp-01 Details:-

1) Doesn't uses WINS Server listed above.

2) Winsock - Service Provider - all values at default.

Now, at S1-xp-01 Console, we try to resolve NETBIOS NAME "s2-xp-01".

Wireshark trace reveals that

1) First WINS Server is contact'd which replies with a Negative Answer.

2) Secondly, NBNS Broadcasts is carried out, which fails as s2-xp-01" is at remote subnet.



Now as per above documentation, our local client should consult /etc/hosts file, and the DNS Server,

but no such activity is being carried by our client.

This might be solution, http://support.microsoft.com/kb/142309 | but this GUI interface is

not there at XP | might the RegKeys associated with this GUI option solve the ISSUE
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So, how to get these 6 and 7 STEPS working ???
 
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