Cisco vpn client vista issues

Now, most sysadmins will say, update you client - yes, I know, it hasnt mitigated the issue, ever. I have been using it on Vista since it came out, and updated my client every time a new update comes out. I would recommend using 5. Really your best bet is to use the AnyConnect client. It's my understanding that Cisco is moving away from the fat client and it's notoriously buggy on Vista. There is a comment thread spanning over two years on Bill Evjan's blog where people have been discussing the state of affairs with the Cisco VPN client software.

As mentioned in GregD's answer , your most viable option is probably going to be AnyConnect. If that doesn't end up working for you, I recommend reading the comments on Bill's blog for other possible solutions. I've run into this issue so often - as Joseph says, it's fixed as of 5. On my personal laptop, whenever I ran into that issue, all I would have to do to fix it was disable and re-enable the wireless adapter.

I followed every step that I found on google search but nothing worked. I then uninstalled the client and reinstalled. It worked that time. It's crazy but that was all that I needed to do. Random disconnects often happen if some power-saving feature is putting your network adapter to sleep That explains why it works with constant traffic. You can install the newest version of the deterministic network enhancer search for citrix dneupdate , because this is what provides the "virtual adapter".

The certificates need not be present on the smart card itself. To configure this feature, add the following line to the user's client profile, specifying the appropriate vendor for your smart card:.

If you are using pre-shared keys instead of certificates, this requirement is not enforced, even if configured. Versions of the Zone Labs Integrity Server earlier than 2. On the Integrity Flex client agent , under "Policies", the "Integrity Server" column flashes "Connected" then "Disconnected" over and over.

Either shut down the Integrity client iclient. To disable the Integrity firewall, rename or delete the following files, then reboot:.

To do this, you must be administrator. Follow these steps:. Step 2 Select the Local Area Connection you use. Cisco IPSec Client does not support bit. Step 1 Extract the file vpnclient-win-msi The installer runs in English. Step 3 After installation is complete, modify vpnclient. The following error "Reason failed to enable virtual adapter" appears after Windows 7 and Vista reports a duplicate IP address detected.

Subsequent connections fail with same message, but the OS does not report a duplicate IP address detected. Step 1 Open "Network and Sharing Center".

Step 2 Select "Manage Network Connections". This resolves the issue until the OS reports a duplicate IP address again. Follow the preceding steps to resolve it again. If that doesn't work, you might have UAC enabled. If so, you must run cmd as administrator and repeat the previous registry workaround. Windows 7 and Vista support a feature called "Receive Window Auto-Tuning" that continually adjusts the receive Windows size, based upon the changing network conditions. Some people reported that auto-tuning causes network timeout problems with some applications and routers.

If you have experienced such problems, you can turn it off using the following procedure:. Step 1 Open an elevated command prompt. Step 2 Enter the following command to disable auto-tuning:.

Step 1 Open up an elevated command prompt. When running under Windows Vista, you might encounter error The remote peer is no longer responding. To work around this error, upgrade the local NAT device firmware. If this is not possible, switch to TCP. Caveats describe unexpected behavior or defects in Cisco software releases. This issue does not affect Windows XP Pro. Vista: User is not prompted to reconnect or cancel after sleep or hibernation while the client is connected. Instead, the client is left hanging trying to disconnect.

Vista: The Firewall Tab still exists under the statistics Windows on Vista, even though the Firewall function is not installed. This tab can be ignored and will be removed if a new SDK is not provided in time for the integrated firewall. Enabling logging on Windows Vista results in no information being shown in the client UI log window.

The log information is still being collected and written to the log files in the Logs directory under the client installation directory. If you open the active log using Notepad, the log information is then viewable in the client UI log window. After upgrading Window XP to Vista one experiences various problems with the VPN client, ranging from client not logging, won't connect, virtual adapter not installing, etc.

However, upgrading a Windows XP installation with legacy applications ranging from Firewalls, Antivirus, device drivers, etc. This is related to a bug in Windows Vista-based computers, and Microsoft has provided a hotfix to resolve this. The article goes on to state that Vista blue-screens when the computer is put to sleep while there is an active PPP connection.

When connecting to a group that requires the firewall on Vista, the client terminates the connection due to Firewall policy mismatch. When the VPN Client is connected and web traffic is passed, the system blue screens if a Trend Micro virus application is running.

Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Showing results for. Search instead for. Did you mean:. All Community This category This board. Click on a topic board below to get started in the community. Labels: Small Business Security. Marcos Hernandez. Version 5. Tags: vista. Latest Contents.

The VPN client software is networking software. You must have administrator privileges to install it. This issue has been resolved.

The installation disables the welcome screen and the fast user switching. This issue has been fixed and is available in Cisco VPN 3. This issue can be caused by firewall packages installed on your VPN client computer.

In order to avoid this error message, ensure that no firewall or antivirus programs are installed or running on your PC at the time of installation. Then reboot your computer, and reinstall the VPN client. In the right-hand window, view the Uninstall Path under the Name column. The corresponding Data column displays the VPN client key value.

The symptom of this problem is that the Linux Client seems to try to connect, but it never gets a response from the gateway device. Since the firewall is on by default, you either have to disable the firewall or open up the ports for IPsec communication for both inbound and outbound connections to fix the problem.

It is possible to make the VPN client work when you reset the permissions on two of the installed files after you run the install script. Here is an example:. It is a fairly generic error message, which usually requires manual uninstallation of the client. Follow the instructions in this link.

Once you have done the uninstall, make sure you reboot. Then reinstall the client. Make sure you are logged on as a user that has admin rights on the local machine. The issue can be resolved if you restart the service after you close the VPN client in this way:. Also verify the following running on the same machine where the VPN client is installed and disable the same.

The Reason failed to enable virtual adapter error appears after Vista reports that a duplicate IP address is detected. Subsequent connections fail with the same message, but Vista does not report that a duplicate IP address is detected. Installing the DNE adapter might resolve the issue. It is better to use the Installshield version for installation instead of MSI. Subsequent connections fail with same message, but the OS does not report that the duplicate IP address is detected.