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Clear Wireless LAN Controller (WLC) Config and Password

To reset the Wireless LAN Controller (WLC) configuration and password, simply power cycle the WLC using the Remote Power Controller. Shortly after the system begins booting up, there is a "Press <ESC> now to access the Boot Menu..." prompt. When that prompt appears, press the Esc key to bring up the boot menu. Then select option 4. Clear configuration from the menu options to remove the WLC startup config.

After the configuration is cleared, please restore the username cisco and password Cisco123 when prompted to created log-in credentials.

Here is an example of how to reset the password:

WLCNG Boot Loader Version 1.0.16 (Built on Feb 28 2011 at 13:14:54 by cisco)
Board Revision 0.0 (SN: PSJ1632008B, Type: AIR-CT2504-K9) (P)

Verifying boot loader integrity... OK.

OCTEON CN5230C-SCP pass 2.0, Core clock: 750 MHz, DDR clock: 330 MHz (660 Mhz data rate)
CPU Cores: 4
DRAM: 1024 MB
Flash: 32 MB
Clearing DRAM........ done
Network: octeth0', octeth1, octeth2, octeth3
' - Active interface
E - Environment MAC address override
CF Bus 0 (IDE): OK
IDE device 0:
- Model: 1GB CompactFlash Card Firm: CF B612J Ser#: C341101450A1Yj6C97rp
- Type: Hard Disk
- Capacity: 977.4 MB = 0.9 GB (2001888 x 512)

Press <ESC> now to access the Boot Menu...

Boot Loader Menu

1. Run primary image ( - Active
2. Run backup image (
3. Change active boot image
4. Clear configuration
5. Format FLASH Drive
6. Manually update images

Enter selection: 4
Launching images...
init started: BusyBox v1.6.0 (2009-02-03 04:56:32 EST) multi-call binary
Mount failed for selinuxfs on /selinux: No such file or directory
starting pid 655, tty '': '/etc/init.d/rcS'

Re-building configuration filesystem

Restarting system.

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