Recommended to upgrade WLC to software version 4.0.179.8?

Hi Sir,
I'm deploying a few WLC 4404-100 in a Mobility Group. They are installed with software version 4.0.155.5.
I understand that the latest version is 4.0.179.8. Is it recommended to upgrade the WLCs to this version?
Please advise.
Thank you.
B.Rgds,
Lim TS

Hi,
I'm having a WLC 4404-100 running software version 4.0.179.8. Doing functional test now.
Created a WLAN with 802.1x and WEP 104-bits.
My wireless card is 3Com 3CRWE62092B. Windows XP SP2. Associated to the Lightweight AP and passed my EAP PEAP-MSCHAPv2 authentication with a backend Microsoft domain controller.
The connection is fine. However, every about 15 minutes, XP prompts the username/password dialog box again. My connection is cut off until I re-authenticate.
I never faced this problem before using Odyssey client previously with a WLC running software version 155.5.
Please advise.
Thank you.
B.Rgds,
Lim TS

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