Customer has four AP1242 autonomous access points running 12.3(11)JA4, downgraded from 12.4.10b JA and the 7921 phones will periodically re-register with the CCM 4.3 server. One phone will not get a DHCP address but will work if we statically address it. Customer is using WPA-PSK (TKIP) and even with no encryption, the problem continues. The 7921G phones were on firmware 1.03 and have been upgraded to 1.04 with no change in this registration issue.
I haven't seen too much to point me in the right direction and as this is a new installation, the Smartnet contracts are not registered yet.
I was seeing changes not being applied via the GUI on the newer code, so I back rev'd to 12.3.11JA4. Those issues are gone now.
Has anyone ran into this symptom?