Sounds like either a routing issue, or a firewall issue. 
 
can you do the following. 
 
nmap -sS -P0 -p 138,139,445 Server_on_SubnetB_IP Address from a
workstation on Subnet A. 
 
This will tell you if you can see the ports or not. If you get no
return, then its a routing issue, if you get a return and either its
open, closed or filtered then you might be looking at a firewall or
router access list issue. ( I would disgress further, but dont see the
output of that yet) 
 
Z
 

Edward E. Ziots 
Network Engineer 
Lifespan Organization 
MCSE,MCSA,MCP+I,M.E,CCA,Network+, Security + 
email:[EMAIL PROTECTED] 
cell:401-639-3505 

 

________________________________

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Za Vue
Sent: Friday, January 12, 2007 12:49 PM
To: ActiveDir@mail.activedir.org
Subject: Re: [ActiveDir] Strange Issue This Morning


FQDN\path...  There are other emails that went out to the rest of the
campus after I sent mine to the listserv so I believe it is probably a
routing issue. 

Z.V.

Al Mulnick wrote: 

        When you say that they cannot see the shares, how are you
checking? 
        FQDN\path or Computer Browser or some variation of that? 
        
        
        
        
        On 1/12/07, Za Vue <[EMAIL PROTECTED]> wrote: 

                Win23 AD:
                
                >From workstations in subnet A:
                I can not map to server shares in subnet B. But if I log
in to the DC-1
                in subnet A I have no problem mapping to all shares on
my subnets. And I
                can also see all admin shares on workstations. 
                
                The same goes for subnet B when I log in to a
workstation. I cannot see
                server shares in subnet A. I can log into DC-2 in subnet
B and access
                all shares.  Both DCs are DNS servers.  Both servers
replicate fine and 
                no strange log. Internet access is fine. Firewalls have
been turned off.
                WTF!!
                
                So in other words, only the domain controllers can see
and map to all
                the nodes in the LAN. Ping fails from DC-1 subnet A to
machines in 
                subnet B. DCs have been restarted. No problem with user
logon because
                both DCs are working properly and replicating fine.
                
                I am convince it is a switch issue.
                
                -Z.V.
                
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