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Q & A: Wireless doesn't work in Vista

Wi-Fi, Mobile phone.

Q & A: Wireless doesn't work in Vista

Postby chicagotech » Wed Feb 07, 2007 6:31 pm

Problem: we have seen many issues that the wireless doesn't work in Vista.

Resolutions: 1. Upgrade the latest wireless driver.
2. Use Vista wireless software instead of the manufactorer's software.
3. In many cases, if you turn the security off, the wireless may work.
4. In other cases, no security didn't work. try both WEP and WPA.
Last edited by chicagotech on Sun May 27, 2007 10:04 am, edited 2 times in total.
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chicagotech
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Postby chicagotech » Fri Mar 23, 2007 8:37 am

"Robert L [MVP - Networking]" <noreply> wrote in message
news:en8yeQQbHHA.4476@TK2MSFTNGP03.phx.gbl...
> "Alexandru Gherman" <alex> 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
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
chicagotech
Site Admin
 
Posts: 6919
Joined: Mon Nov 27, 2006 1:24 pm
Location: Chicago USA


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