Can't map drive on XP SP1 system

L

Luc Lecocq

Hello,

Here is my setup
I have thre PC at home:
PC1 has an internet connection, a LAN card and a WIFI card.
It is running ICS, and LAN and WIFI are configured within what XP calls a
network bridge
PC2 has a LAN card, and PC3 has a WIFI card

From PC2 and 3, I can map drive that are the three PCs, and can see them in
Network neighbourhood.

The problem is that on PC1, I can't map none of the drive belonging to PC2
or 3.
When I try, I got : "The drive could not be mapped because no network was
found".
But if I try the same drive to add a neighbour in network neighbourhood, it
works fine !!!
So there is a network, of course, but for some reason the map systematically
fails.

In the TCPIP properties of all three PC, I let NETBIOS settings to default.
I tried to deactivate it everywhere, but same results.

Thanks for helping.
 
R

Robert L [MS-MVP]

you may have master browser issue. use browstat to check the master browser
status.

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Networking, Internet, Routing, VPN, Anti-Virus, Tips & Troubleshooting on
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This posting is provided "AS IS" with no warranties.
 
L

Luc Lecocq

Hi,

Apparently, this command does not come in standard with XP, I don't have it
on my PC, where can i get it from ?

Regards,
 
L

Luc Lecocq

Hello again,

I finally found browstat, but have no idea how to use it, could you please
give me more details on how to use it ?
Thanks,
Regards
 
L

Luc Lecocq

Hello again,
Below the result of browstat status:

Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
Browsing is active on domain.
Master browser name is: ATHLON
Master browser is running build 2600
1 backup servers retrieved from master ATHLON
\\SEYSSINET1
There are 0 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
There are 0 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}

Anything strange ?
 
L

Luc Lecocq

Hi,

Below the result of browstat status on PC1 (ATHLON):

Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
Browsing is active on domain.
Master browser name is: ATHLON
Master browser is running build 2600
1 backup servers retrieved from master ATHLON
\\SEYSSINET1
There are 0 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
There are 0 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}

Below browstat result on PC 2(ALICE)

Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}
Browsing is active on domain.
Master browser name is: SEYSSINET1
Could not connect to registry, error = 53 Unable to determine build
of browser master: 53
\\\\SEYSSINET1 . Version:05.01 Flags: 51003 NT POTENTIAL MASTER
1 backup servers retrieved from master SEYSSINET1
\\SEYSSINET1
There are 3 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}
There are 1 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}

Note: SEYSSINET1 is PC3
Looks strange that PC1 and PC3 says they are master browser ??

Regards
 
C

Chuck

Hello again,
Below the result of browstat status:

Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
Browsing is active on domain.
Master browser name is: ATHLON
Master browser is running build 2600
1 backup servers retrieved from master ATHLON
\\SEYSSINET1
There are 0 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
There are 0 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}

Anything strange ?
Click to expand...

Luc,

Run it from each computer, and post each result with name, version, and service
pack level, of the operating system.

And Luc, please don't contribute to the spread and success of email address
mining viruses. Posting your email address openly will get you more unwanted
email, than wanted email. Learn to munge your email address properly, to keep
yourself a bit safer when posting to open forums. Protect yourself and the rest
of the internet - read this article.
http://www.mailmsg.com/SPAM_munging.htm

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
 
C

Chuck

Hi,

Below the result of browstat status on PC1 (ATHLON):

Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
Browsing is active on domain.
Master browser name is: ATHLON
Master browser is running build 2600
1 backup servers retrieved from master ATHLON
\\SEYSSINET1
There are 0 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
There are 0 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}

Below browstat result on PC 2(ALICE)

Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}
Browsing is active on domain.
Master browser name is: SEYSSINET1
Could not connect to registry, error = 53 Unable to determine build
of browser master: 53
\\\\SEYSSINET1 . Version:05.01 Flags: 51003 NT POTENTIAL MASTER
1 backup servers retrieved from master SEYSSINET1
\\SEYSSINET1
There are 3 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}
There are 1 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}

Note: SEYSSINET1 is PC3
Looks strange that PC1 and PC3 says they are master browser ??
Click to expand...

Luc,

If there's a discrepancy between browstat for PC1 and PC3, that's a clue to your
problem. So that's good.

Can you post the browstat for PC3?

Also, let's look at ipconfig information for each computer.
Start - Run - "cmd". Type "ipconfig /all >c:\ipconfig.txt" into the command
window - Open c:\ipconfig.txt in Notepad, copy and paste into your next post.
Identify operating system (by name, version, and SP level) with each ipconfig
listing.

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
 
L

Lucky

Hi Chuck

I summarized all infos below, they have been taken within 30mn
All PCs are running XP Pro SP1.
You will notice that browstat for PC2 has changed, apparently it varies,
depending on time, Alice is now the master browser for Alice and Seyssinet1.
I have lots of questions:
- Who decides who is the master browser ?
- What means node type unknown ?
- Why is WINS proxy activated on PC3 and not on PC2, I run the same setup on
the 2 PC (I think), where is it configured ?

Thanks a lot for your help

PC1 (Athlon, running ICS, ADSL + Bridge(Lan + Wifi))
ipconfig:
Configuration IP de Windows
Nom de l'hôte . . . . . . . . . . : athlon
Suffixe DNS principal . . . . . . :
Type de noud . . . . . . . . . . : Inconnu
Routage IP activé . . . . . . . . : Oui
Proxy WINS activé . . . . . . . . : Non
Carte Ethernet Pont réseau:
Suffixe DNS propre à la connexion :
Description . . . . . . . . . . . : Miniport de pont MAC
Adresse physique . . . . . . . . .: 02-50-8D-F7-92-B6
DHCP activé. . . . . . . . . . . : Non
Adresse IP. . . . . . . . . . . . : 192.168.0.1
Masque de sous-réseau . . . . . . : 255.255.255.0
Passerelle par défaut . . . . . . :
Carte PPP Free ADSL :
Suffixe DNS propre à la connexion :
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Adresse physique . . . . . . . . .: 00-53-45-00-00-00
DHCP activé. . . . . . . . . . . : Non
Adresse IP. . . . . . . . . . . . : 82.64.5.143
Masque de sous-réseau . . . . . . : 255.255.255.255
Passerelle par défaut . . . . . . : 82.64.5.143
Serveurs DNS . . . . . . . . . . : 212.27.32.176
212.27.32.177
NetBIOS sur TCPIP. . . . . . . . : Désactivé
browstat:
Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
Browsing is active on domain.
Master browser name is: ATHLON
Master browser is running build 2600
1 backup servers retrieved from master ATHLON
\\ALICE
There are 0 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}
There are 0 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A0420900-A2DF-4A30-9D29-61A38E44BBC5}

----------------------------------------------------------------------------
-----------------------------------------------------------------
PC2 (Alice, Lan)
ipconfig:
Configuration IP de Windows
Nom de l'hôte . . . . . . . . . . : alice
Suffixe DNS principal . . . . . . :
Type de noud . . . . . . . . . . : Mixte
Routage IP activé . . . . . . . . : Non
Proxy WINS activé . . . . . . . . : Non
Carte Ethernet Connexion au réseau local:
Suffixe DNS propre à la connexion : mshome.net
Description . . . . . . . . . . . : HP Ethernet avec carte
d'alimentation réseau à distance
Adresse physique . . . . . . . . .: 00-60-B0-CD-E1-A9
DHCP activé. . . . . . . . . . . : Oui
Configuration automatique activée . . . . : Oui
Adresse IP. . . . . . . . . . . . : 192.168.0.2
Masque de sous-réseau . . . . . . : 255.255.255.0
Passerelle par défaut . . . . . . : 192.168.0.1
Serveur DHCP. . . . . . . . . . . : 192.168.0.1
Serveurs DNS . . . . . . . . . . : 192.168.0.1
Bail obtenu . . . . . . . . . . . : lundi 1 novembre 2004 21:18:25
Bail expirant . . . . . . . . . . : lundi 8 novembre 2004 21:18:25
browstat:
Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}
Browsing is active on domain.
Master browser name is: ALICE
Master browser is running build 2600
1 backup servers retrieved from master ALICE
\\ALICE
There are 3 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}
There are 1 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{89DA4661-4D79-433B-B1C7-91E5DE836E80}
----------------------------------------------------------------------------
--------------------------------------------------------------------
PC3 (Seyssinet1, Wifi)
ipconfig:
Configuration IP de Windows
Nom de l'hôte . . . . . . . . . . : Seyssinet1
Suffixe DNS principal . . . . . . :
Type de noud . . . . . . . . . . : Inconnu
Routage IP activé . . . . . . . . : Non
Proxy WINS activé . . . . . . . . : Oui

Carte Ethernet Connexion réseau sans fil:
Suffixe DNS propre à la connexion : mshome.net
Description . . . . . . . . . . . : NETGEAR MA111 802.11b Wireless
USB Adapter
Adresse physique . . . . . . . . .: 00-09-5B-B2-23-FB
DHCP activé. . . . . . . . . . . : Oui
Configuration automatique activée . . . . : Oui
Adresse IP. . . . . . . . . . . . : 192.168.0.5
Masque de sous-réseau . . . . . . : 255.255.255.0
Passerelle par défaut . . . . . . : 192.168.0.1
Serveur DHCP. . . . . . . . . . . : 192.168.0.1
Serveurs DNS . . . . . . . . . . : 192.168.0.1
Bail obtenu . . . . . . . . . . . : lundi 1 novembre 2004 21:05:21
Bail expirant . . . . . . . . . . : lundi 8 novembre 2004 21:05:21
browstat:
Status for domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A894A570-3AD7-4506-B323-FCDAF52F1EF5}
Browsing is active on domain.
Master browser name is: ALICE
Could not connect to registry, error = 53 Unable to determine build
of browser master: 53
\\\\ALICE . Version:05.01 Flags: 51003 NT POTENTIAL MASTER
1 backup servers retrieved from master ALICE
\\ALICE
There are 3 servers in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A894A570-3AD7-4506-B323-FCDAF52F1EF5}
There are 1 domains in domain WORKGROUP on transport
\Device\NetBT_Tcpip_{A894A570-3AD7-4506-B323-FCDAF52F1EF5}
 
C

Chuck

Hi Chuck

I summarized all infos below, they have been taken within 30mn
All PCs are running XP Pro SP1.
You will notice that browstat for PC2 has changed, apparently it varies,
depending on time, Alice is now the master browser for Alice and Seyssinet1.
I have lots of questions:
- Who decides who is the master browser ?
- What means node type unknown ?
- Why is WINS proxy activated on PC3 and not on PC2, I run the same setup on
the 2 PC (I think), where is it configured ?

Thanks a lot for your help
Click to expand...

Luc,

The ever changing MB identity is normal if you reboot your computers. That's
what's so useful about browstat - I setup a shortcut on each of my computers.

The master browser elects itself from a pool of computers running the browser
service in the domain (workgroup). It's done by packets (datagrams) broadcast
between computers. It's based upon previous role (a computer that was the MB
previously), upon operating system (Windows NT/2K/XP should be more important
than Win 9x), and by how long a computer has been online (frequently if you
reboot the master browser, a backup computer will elect itself while the MB is
rebooting).

Master Browser reference (lots of fun to read):
<http://www.microsoft.com/technet/prodtechnol/winntas/deploy/prodspecs/ntbrowse.mspx>

The best way to start, if you can, is to power all computers off. Decide which
computer should be the master browser, and bring it up first. Power up the
other computers, then rerun browstat on each. Assuming that you have no other
problems, like invisible computers, all browstats should identify the same MB.

Node type Unknown "Inconnu"(?) is normal for some computers. What you don't
want to see is Peer-Peer.

Node types:
<http://support.microsoft.com/?id=314053>
<http://support.microsoft.com/?id=160177>

WINS is another question. If you don't have a WINS server, this could be a
problem too. Need for a WINS server (Node Type Peer-Peer) can cause name
resolution problems, which can lead to computer unknown issues.

What operating system (name, version, and SP) is on each computer?

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.
 

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