Windows 7 / Vista loses local resources when connected to VPN

A

Alasdair

When connected to a pptp VPN resources on the local domain are
inconsistantly available. Previously with XP they were always available even
if connected to a VPN.

What has changed?

Printing:
From win 7, I can print to a Lan printer shared on the server (2008)
Once connected to a remote VPN (windows 2003 pptp), the print que says
"Accessed Denied" when trying to print to the same printer.
With XP printing was still possible to the Lan even though connected to a VPN.


Mapped Drives:
Sometime they work, sometimes they don't. If I have a mapped drive to a
local file server once connected to the VPN I can't list the contents of
drive, or access any of the files.
Other times even with a VPN connected I can acess the files. If you access
the drive before opening the VPN this seems to help.

I thought it may be a DNS issue but I have added the server to my hosts
file. The host name resolves correctly even after an "ipconfig /flushdns".

Does windows 7 need to resolve service records on the local AD dns server
before passing on credentials? The order of accessing DNS servers is the
remote VPN DNS server first and then the local DNS server second. Is this why
I can always print to a local printer that I installed using its IP address,
whilst connected to a VPN, which then prompted me for credentials. I assume
the credentials were stored locally, making them always available no matter
what the order of DNS servers were.

Once connected to a VPN why can't Vista/Win7 always print/access local
resources?
Connected to the same VPNs XP could always access local recources.
Whats changed?
 
P

Paul Koene

I am having the same issue. On top of that I also have the problem that I
cannot use a local SQLServer when connected to a PPTP VPN. The problem lies
in the DNS behavior I think. For some reason Windows 7 (and also Vista) start
using the VPN DNS Servers as the primary DNS Servers instead of the local
servers. This often also gives me trouble using the internet when I have a
PPTP VPN open as I usually uncheck the option to use the external gateway as
default gateway.
 
A

Artyom

I have the same problem! Somebody - help(

When i start VPN, win 7 go on local network with username which input in VPN
SESSION!
 
M

Michael Steiger

Alasdair said:
When connected to a pptp VPN resources on the local domain are
inconsistantly available. Previously with XP they were always available even
if connected to a VPN.

What has changed?

Printing:
From win 7, I can print to a Lan printer shared on the server (2008)
Once connected to a remote VPN (windows 2003 pptp), the print que says
"Accessed Denied" when trying to print to the same printer.
With XP printing was still possible to the Lan even though connected to a VPN.


Mapped Drives:
Sometime they work, sometimes they don't. If I have a mapped drive to a
local file server once connected to the VPN I can't list the contents of
drive, or access any of the files.
Other times even with a VPN connected I can acess the files. If you access
the drive before opening the VPN this seems to help.
Click to expand...


I have exactly the same problem using Windows 7 Ultimate x64 in a Windows
2008 R2 domain and VPN to some appliance.

I thought it may be a DNS issue but I have added the server to my hosts
file. The host name resolves correctly even after an "ipconfig /flushdns".

Does windows 7 need to resolve service records on the local AD dns server
before passing on credentials? The order of accessing DNS servers is the
remote VPN DNS server first and then the local DNS server second. Is this why
I can always print to a local printer that I installed using its IP address,
whilst connected to a VPN, which then prompted me for credentials. I assume
the credentials were stored locally, making them always available no matter
what the order of DNS servers were.
Click to expand...

For me it is no DNS problem.
Even when connected to the VPN the DNS servers are still the local ones.

Also the default route is to the local gateway and not via VPN.
Once connected to a VPN why can't Vista/Win7 always print/access local
resources?
Connected to the same VPNs XP could always access local recources.
Whats changed?
Click to expand...

Same here. Using XP (like I did before switiching to Windows 7) I could
access all local/domain resources without any poblem.

Now I can not print. For printing I have to disconnect from VPN, then all
print jobs are spooled from my machine to the server.
 

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