: Users sometimes encounter "Certificate verification failed" errors when attempting to join these APs to newer virtual Wireless LAN Controllers (vWLC) if the code version is not at a specific threshold (e.g., version 7.3 or higher) .
file. The AP cannot run the .tar file directly; it must be "unbundled" into the flash memory using the archive download-sw Recovery/TFTP : If the AP has no OS (showing an Ap3g1-k9w7-tar.152-2.jb.tar
show ap image all → Status will show Predownload → Ready . Ap3g1-k9w7-tar.152-2.jb.tar