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I'm trying to install the Cisco VPN client to a Windows 7 (32bit) computer but keep getting a Windows Installer 1721 error. Any advice is much appreciated.

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Dear User ,
Follow the Steps below to resolve your problem
1. Click on start and the search bar right next to it , type Cmd 2.As the CMD appears in the search list . Right click on that and Click on Run As Administrator

  1. At the command prompt, type msiexec /unregister , and then press ENTER.
  2. At the command prompt, type msiexec /regserver, and then press ENTER.
  3. At the command prompt, type exit, and then press ENTER to close the command prompt
Try to install it again ,Just in case it fails ,follow the steps below 1.Right click on the VPN setup file and click on Run as admin
Good luck
Thanks and regards Aboobacker S


Posted on Sep 28, 2010

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Cisco expert


I think you're confused. IP Communicator is the unified communications client (IM and Phone) It is looking for a capatible headset so you can use your softphone. This software is not your VPN client. There are two different cisco product: one for your VPN and one for your phone. If you're trying to ocnnect to an old-style Cisco VPN, your IT dept will have to configure that with a certificate.
Solution from Cisco: http://www.cisco.com/en/US/products/sw/voicesw/ps5475/products_tech_note09186a00809b6c40.shtml
This behavior is observed when a user attempts to install or use the IP Communicator on a system that has different names for the Playback (wave out) and Recording (wave in) devices.
In order to overcome this problem, perform one of these tasks:
-Use a USB headset that is recognized by the IP Communicator.
-Upgrade to the latest version of the IP Communicator

Nov 07, 2013 | Arris SURFboard SBG900 Wireless Router...

1 Answer

Have error 442 with cisco client vpn 5.07 on windows 7 - 32 bit - any ideas?


Error 442 - Failed to enable virtual adapter.
No fix yet from Cisco. Try this work around.
Run cmd as Administrator and execute the following command:
reg add HKLM\System\CurrentControlSet\Services\Tcpip\Parameters /v ArpRetryCount /t REG_DWORD /d 0 /f

Mar 24, 2011 | Cisco Systems Cisco VPN Client

1 Answer

I am trying to uninstall Cisco VPN and I get the windows installer error 1721, does anyone have any ideas on how to resolve this? thanks.


Hi,
To resolvethis issue, perform the steps in the "Reregister the Windows Installer service" section. If youexperience the issue after you perform these steps, you may also have toperform the steps in the "Run System File Checker" section. Reregisterthe Windows Installer service loadTOCNode(2, 'resolution');The Windows Installer service manages the installation and removal ofprograms. The service applies a set of centrally defined setup rules during theinstallation process. These setup rules define the installation andconfiguration of the installed program. Windows Installer uses the Microsoftinstallation engine to install or remove programs. If the registration of theMicrosoft installation engine is corrupted, you may not be able to removeprograms that you have installed by using Windows Installer. In that case, youhave to unregister and reregister the Windows Installer service. To do this,follow these steps: Windows Installer
  1. Start your computer in Safe mode. To do this, follow these steps:
    1. Restart the computer.
    2. After the BIOS information is displayed, press F8.
    3. Use the DOWN ARROW key to select Safe Mode, and then press ENTER.
    4. Use the UP ARROW key and the DOWN ARROW key to select your computer, and then press ENTER.
  1. Log on to the computer as local administrator.
  2. Click Start, click Run, type cmd.exe, and then click OK.
  3. At the command prompt, type msiexec /unregister , and then press ENTER.
  4. At the command prompt, type msiexec /regserver, and then press ENTER.
  5. At the command prompt, type exit, and then press ENTER to close the command prompt.
  6. Remove the software program from Add or Remove Programs.

Jan 10, 2011 | Computers & Internet

1 Answer

Hi, when i try to install cisco vpn on my xp machine, it is throwing 1721 error.



Cisco VPN Client for Windows Vista, release 5.0.0.340, does not support the following:

blank.gifMicrosoft Windows NT, 98, and ME.

blank.gifSystem upgraded from Windows XP or earlier Windows operating systems to Vista. (Clean OS installation required.)

blank.gifCombination of Cisco Unified Video Advantage 2.1.2 and McAfee HIPS Patch 4 Build 688. To avoid system failures, uninstall either of these two applications, upgrade McAfee to the latest version, or use VPN Client 4.6.x.

blank.gifStart Before Logon.

blank.gifSmartCard authentication.

blank.gifIntegrated firewall

blank.gifInstallShield.

blank.gifAuto Update.

blank.gifTranslated Online Help. Online Help is provided only in English.

blank.gif64-bit Windows operating systems. For x-64 support, customers should explore with their Cisco sales representative the use of the next-generation Cisco AnyConnect VPN Client.

Nov 04, 2010 | Microsoft Windows XP Professional

1 Answer

I am trying to install Cisco VPN Client 5 on my Windows 7 Laptop and I am getting this error.


This link will help you

https://www.cisco.com/en/US/products/sw/secursw/ps2308/products_qanda_item09186a00801c2dbe.shtml

Feb 12, 2010 | Computers & Internet

2 Answers

Cisco VPN Client Error


Hello
Try to switch off the Cisco VPN Stateful firewall.

Apr 19, 2009 | Computers & Internet

1 Answer

Cisco VPN Client for 32 bit vista


Download the latest version of the Cisco VPN Client. My version is 5.0.03.0530.

You can also try using the Microsoft "MSIZap" utility to ensure a clean uninstall. It is a command-line utility. You will need the original MSI install file from the Cisco VPN client to use MSIZap.

You can download it here: http://msdn.microsoft.com/en-us/library/aa370523.aspx

Sep 22, 2008 | Microsoft Windows Vista Ultimate Edition

1 Answer

Error 1721


What Is Error 1721? This is an error commonly witnessed when you try to uninstall a program using the "Add or Remove Programs" in Microsoft Windows XP. The message itself will read: "Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personal or package vendor."
Resolution #1: Reregistering the Windows Installer service It is known that if the Microsoft installation engine malfunctions or is internally corrupted, there is a possibly that you will not be able to remove programs that you used the Windows Installer, the service that administers the installation and configuration of programs, to install with. Thus, in the case of error 1721, it is necessary to unregister and then reregister the Windows Installer service to fix the corrupted parts of the engine. This can be accomplished through the Safe Mode by:
  1. Enter your computer in Safe Mode by:
    • Restarting the computer and pressing F8 after the BIOS information is shown
    • Select Safe Mode and Enter
    • Select your computer and Enter
  2. Log on as the local administrator
  3. Open up the command prompt by clicking Start, Run, and then typing cmd.exe and Ok
  4. At the command prompt, first unregister the service by typing msiexec /unregister and then hitting Enter
  5. Reregister the service by typing msiexec /regserver and then hitting Enter
  6. Type Exit to exit the command prompt safely
  7. Try to remove the program once again using Add or Remove Programs
I hope this helps you out. Thanks

Sep 04, 2008 | HP Pavilion dv6000z Notebook

1 Answer

Error 1721


This page applys to XP,

http://support.microsoft.com/kb/891985

but the solution should be similar. If you've done the registering, the next suspect would be something corrupt in your VPN package.

Try a fresh download or copy of it, and be sure you run as administrator during the install.

Jun 28, 2008 | Microsoft Windows Vista Ultimate Edition

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