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Vista - Accessing Vista drives by c$, d$ from Windows XP fails

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Old 03-22-2007   #1 (permalink)
Alexandru Gherman


 
 

Accessing Vista drives by c$, d$ from Windows XP fails

Hi!

I cannot access a Vista machine drive by the default admin share c$, d$ from the Windows XP.
I can reach the pop-up screen for password, I entered the correct username and password ( a user member of the Administrators group ) but the logon keeps popping as if the authentication fails.

Is there an additional registry security setting required on the Vista Machine ? Or some Local Security policy ? It is a Windows Vista Ultimate.

My System SpecsSystem Spec
Old 03-23-2007   #2 (permalink)
Robert L [MVP - Networking]


 
 

Re: Accessing Vista drives by c$, d$ from Windows XP fails

The administrative sharing has been changed. This post may help,

Vista issuesBy default, Vista administrative shares e.g. C$, D$) are not shared by default for security reasons. You should create your own shares to share your drives ...
http;//www.chicagotech.net/vista/vistanetissues.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
"Alexandru Gherman" <alex@alexgherman.name> wrote in message news:u2pWAoKbHHA.1400@TK2MSFTNGP06.phx.gbl...
Hi!

I cannot access a Vista machine drive by the default admin share c$, d$ from the Windows XP.
I can reach the pop-up screen for password, I entered the correct username and password ( a user member of the Administrators group ) but the logon keeps popping as if the authentication fails.

Is there an additional registry security setting required on the Vista Machine ? Or some Local Security policy ? It is a Windows Vista Ultimate.
My System SpecsSystem Spec
Old 03-23-2007   #3 (permalink)
Dave R.


 
 

Re: Accessing Vista drives by c$, d$ from Windows XP fails


"Robert L [MVP - Networking]" <noreply@hotmail.com> wrote in message
news:en8yeQQbHHA.4476@TK2MSFTNGP03.phx.gbl...
> "Alexandru Gherman" <alex@alexgherman.name> wrote in message
> news:u2pWAoKbHHA.1400@TK2MSFTNGP06.phx.gbl...
>> Hi!
>>
>> I cannot access a Vista machine drive by the default admin share
>> c$, d$ from the Windows XP.
>> I can reach the pop-up screen for password, I entered the correct
>> username and password ( a user member of the Administrators group )
>> but the logon keeps popping as if the authentication fails.
>>
>> Is there an additional registry security setting required on the
>> Vista Machine ? Or some Local Security policy ? It is a Windows Vista
>> Ultimate.


> The administrative sharing has been changed. This post may help,


> Vista issues By default, Vista administrative shares e.g. C$, D$) are
> not shared by default for security reasons. You should create your own
> shares to share your drives ...
> http;//www.chicagotech.net/vista/vistanetissues.htm
>
>
> Bob Lin, MS-MVP, MCSE & CNE
> Networking, Internet, Routing, VPN Troubleshooting on
> http://www.ChicagoTech.net
> How to Setup Windows, Network, VPN & Remote Access on
> http://www.HowToNetworking.com



Actually, the admin shares are there, but by default Windows Vista
prevents local administrators from using their administrator powers over
the network. This results in the inability to remotely administer a
computer using filesharing and tools that use similar technology (such
as the computer manager MMC snap-in and the
administrative shares, such as C$). However, this DOES NOT affect Remote
Desktop in any way. Also, domain-level admins are not affected.

For example: you have an admin account set up on VISTAMACHINE, and log
in to VISTAMACHINE from your other computer XPMACHINE via the network
(net use or whatnot), and try to access VISTAMACHINE's administrative
share C$. Technically you have access to that share; however, due to the
token filtering, you are returned access denied, since the system is
ignoring the fact that you are an administrator.

Although it's probably better to explicitly set up new shares with the
desired security restrictions, you can allow administrators local to a
computer to use their administrator powers when accessing the Vista
computer remotely by following these steps:

- Click start
- Type: regedit
- Press enter
- In the left, browse to the following folder:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\
- Right-click a blank area in the right pane
- Click New
- Click DWORD Value
- Type: LocalAccountTokenFilterPolicy
- Double-click the item you just created
- Type 1 into the box
- Click OK
- Restart your computer

Regards,

Dave


My System SpecsSystem Spec
Old 03-24-2007   #4 (permalink)
...winston


 
 

Re: Accessing Vista drives by c$, d$ from Windows XP fails

Robert,
I was interested in reading your link but it is pointing to another solution
not admin shares..reprinted below for your verification.

"By default, Vista administrative shares e.g. C$, D$) are not shared by
default for security reasons. You should create your own shares to share
your drives ...
http://www.chicagotech.net/netforums...9ba6de420dabc8
"

Thanks for the great site and consolidating a miriad of issues in one
repository.

..winston

"Robert L [MVP - Networking]" <noreply@hotmail.com> wrote in message
news:en8yeQQbHHA.4476@TK2MSFTNGP03.phx.gbl...
The administrative sharing has been changed. This post may help,

Vista issuesBy default, Vista administrative shares e.g. C$, D$) are not
shared by default for security reasons. You should create your own shares to
share your drives ...
http;//www.chicagotech.net/vista/vistanetissues.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"Alexandru Gherman" <alex@alexgherman.name> wrote in message
news:u2pWAoKbHHA.1400@TK2MSFTNGP06.phx.gbl...
Hi!

I cannot access a Vista machine drive by the default admin share c$, d$
from the Windows XP.
I can reach the pop-up screen for password, I entered the correct username
and password ( a user member of the Administrators group ) but the logon
keeps popping as if the authentication fails.

Is there an additional registry security setting required on the Vista
Machine ? Or some Local Security policy ? It is a Windows Vista Ultimate.

My System SpecsSystem Spec
Old 03-24-2007   #5 (permalink)
Alexandru Gherman


 
 

Re: Accessing Vista drives by c$, d$ from Windows XP fails

Thank you very much !
So when the computer is in a domain, the Domain Admins are not affected by this ?

Kind regards,
Alex
My System SpecsSystem Spec
Old 03-26-2007   #6 (permalink)
Dave R.


 
 

Re: Accessing Vista drives by c$, d$ from Windows XP fails


"Alexandru Gherman" <alex@alexgherman.name> wrote in message
news:ebO3cPkbHHA.5052@TK2MSFTNGP06.phx.gbl...
> Thank you very much !
> So when the computer is in a domain, the Domain Admins are not
> affected by this ?
>


That is my understanding, although I've not tested it.

Regards,

Dave


My System SpecsSystem Spec
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