Sorry for the long reply but below is the contents of the policies that we
are using. These policies are enforced on all machines and it is only a
small handful of machines that are having the problem. One day they are
working and the next they are not.
We are using two policies for the wireless and I believe all are domain
policies.
The first GPO we have called Wi-Fi3 WPA2. The settings for this are as
follows:
Computer Configuration (Enabled) > Windows Settings > Wireless Network >
General >
Name Wi-Fi 3 WPA2
Description Third POLICY
Check for policy changes every 180 minutes
Networks to access Access point (infrastructure) networks only
Use Windows to configure wireless network settings for clients
Enabled
Automatically connect to non-preferred networks Disabled
The following settings have been made using Vista to amend the WiFi 3 WPA2
policy as XP doesn't have a policy for WPA2.
Global Settings >
Use Windows wireless LAN network services for clients Enabled
Allow user to view denied networks Enabled
Allow everyone to create all user profiles Enabled
Network Filters >
Use Windows wireless LAN network services for clients Enabled
Allow user to view denied networks Enabled
Allow everyone to create all user profiles Enabled
Preferred Network Profiles > OUR NETWORK NAME
Use Windows wireless LAN network services for clients Enabled
Allow user to view denied networks Enabled
Allow everyone to create all user profiles Enabled
Security Settings >
Authentication WPA2
Encryption AES
Use 802.1X Enabled
Pairwise Master Key (PMK) Caching Enabled
PMK Time-to-Live (minutes) 720
Number of Entries in PMK Cache 128
Use Network Pre-authentication Disabled
IEEE 802.1X Settings >
Computer Authentication User re-authentication
Maximum EAPOL-Start Messages Sent 3
Held Period (seconds) 1
Start Period (seconds) 5
Authentication Period (seconds) 18
The PKI Policy is as follows:
Computer Configuration (Enabled) > Windows Settings > Security Settings >
Public Key Policies/Autoenrollment Settings >
Enroll certificates automatically Enabled
Renew expired certificates, update pending certificates, and remove
revoked certificates Disabled
Update certificates that use certificate templates Disabled
Public Key Policies/Encrypting File System
Allow users to encrypt files using Encrypting File System (EFS)
Enabled
Public Key Policies/Trusted Root Certification Authorities
Allow users to select new root certification authorities (CAs) to
trust Enabled
Client computers can trust the following certificate stores
Third-Party Root Certification Authorities and Enterprise Root Certification
Authorities
To perform certificate-based authentication of users and computers,
CAs must meet the following criteria Registered in Active Directory only
Certificates
This lists the trusted certificates that each client must have to connect to
the network
I hope this is enough information as I couldn't extract anymore out of the
GPO's. If you need anymore information please let me know.
Phill
"Robert L. (MS-MVP)" wrote:
> We need more information to help. What does the GPO do? Is local policy or
> domain policy?
>
> --
> 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
> "SCL" <(E-Mail Removed)> wrote in message
> news:8B5CF67D-1646-4AB3-B0BF-(E-Mail Removed)...
> > Hello All
> >
> > I am having a strange and random problem with our wireless enabled
> > machines.
> > All of our wireless settings are controlled by a wireless gpo. All of our
> > computers/laptops are Windows XP with SP2. Each client has KB893357-v2
> > and
> > KB917021-v3 hotfixes applied. We are using Windows 2003 Standard servers
> > with IAS and server specific certificates.
> >
> > We have a selection of machines for whatever reason that appear to be
> > losing
> > their GPO'd controlled settings, which then means they are not able to
> > connect to the network!
> >
> > Has anyone experienced this problem before or can someone suggest anything
> > that we could do to rectify the problem?
> >
> > Any help is appreciated.
> >
> > Phill
>
>