Caution Cisco Aironet CB21AG and PI21AG client adapter software is incompatible with other Cisco Aironet client adapter software. The Aironet Desktop Utility (ADU) must be used with CB21AG and PI21AG cards, and the Aironet Client Utility (ACU) must be used with all other Cisco Aironet client adapters. Installing the Novell Client If you are going to use the Novell Client, be sure to install it on your computer prior to installing the client adapter software.

Enabling CCKM Fast Secure Roaming If you want to enable CCKM on the client adapter, you must choose the WPA/WPA2/CCKM security option, regardless of whether you want the adapter to use WPA or WPA2. The configuration of the access point to which your client adapter associates determines whether CCKM will be used with 802.1x, WPA, or WPA2. Access Point Setting for LEAP or EAP-FAST Authentication Access points must be set for both Network-EAP and open authentication in order to associate to CB21AG and PI21AG client adapters running LEAP with WPA/WPA2/CCKM or EAP-FAST. EAP-FAST Fails When Access Point Configured as Local RADIUS Server The client adapter fails to authenticate using EAP-FAST when the access point is running Cisco IOS Release 12. Amber Lee Swimsuit Edition. 3(2)JA2 and is configured as a local RADIUS server. The following message appears: 'Unable to EAP-FAST authenticate the wireless user in the specified amount of time. Network infrastructure might be down.'

Installing the Client Adapter Software This section describes how to install Cisco Aironet CB21AG or PI21AG client adapter drivers and utilities from a single executable file named Win-Client-802.11a-b-g-Ins-Wizard-vx.exe, where x represents the release number. Once a user installs the drivers and ADU for their client. Caution Cisco Aironet CB21AG and PI21AG client adapter software is incompatible with other Cisco Aironet.

GINA Error on Bootup If your computer ever experiences a GINA error on bootup, boot to the safe mode command prompt. Online Expert Training Courses. Then copy the msgina.dll file in the WinNT System32 directory (Windows 2000) or Windows System32 directory (Windows XP) over to a file named cscogina.dll. The copy command enables you to copy a source file (msgina.dll) to a destination file (cscogina.dll) within the same directory.

Reboot Required When Uninstalling ACU and ADU. Caution When you uninstall ACU and ADU, be sure to reboot your computer when prompted. Otherwise, the system may be rendered unable to boot, displaying the message 'The Logon User Interface DLL cswGina.dll failed to load. Contact your system administrator to replace the DLL or restore the original DLL.' Uninstalling Software Components All profiles and stored PAC files are deleted if you use the Uninstall the previous installation option on the Previous Installation Detected Install Wizard window to uninstall the client adapter software. Cisco recommends that you use the Profile Manager's export feature to save your profiles before uninstalling the software. Profiles for PC-Cardbus Cards The profiles for PC-Cardbus cards are tied to the slot in which the card is inserted.

Therefore, you must always insert your PC-Cardbus card into the same slot, create profiles for both slots, or export the profiles for one slot and import them for the other slot. Auto Profile Selection Enables Scan of Wireless Modes in Auto-Selected Profiles When you enable auto profile selection, the client adapter ignores the selected profile's wireless mode setting and scans the wireless modes specified by all the profiles in the auto profile selection list for an available network. Using this method, the client does not need to disassociate nor change the current profile while looking for networks in other profiles. ASTU Exit Option The Exit option on the Aironet System Tray Utility (ASTU) pop-up menu closes both ASTU and ADU.

Windows Wireless Network Connection Icon Shows Unavailable Connection (Windows XP Only) If your computer is running Windows XP and you configured your client adapter using ADU, the Windows Wireless Network Connection icon in the Windows system tray may be marked with a red X and show an unavailable connection even though a wireless connection exists. This condition is caused by a conflict between ADU and Windows XP's wireless network settings. Simply ignore the Windows icon and use the ASTU icon to check the status of your client adapter's wireless connection. Supporting Documentation The Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide (OL-4211-05) pertains specifically to CB21AG and PI21AG client adapters. If you are using a Cisco Aironet 340, 350, or CB20A client adapter, refer to the Installation and Configuration Guide for that client adapter and your computer's operating system.