WLC Image upgrade from 7.0 to 7.6

Dear All,
I am planning to upgrade my WLC 5508 image from 7.0 to 7.6 to accommodate the new series access points (2702).
Currently I am using 1142 &1242 access points in my network and some of them are in HREAP mode.
Does this upgrade will affect my existing setup anyway ??
Thanks in advance.
Regards,
Shijo.

Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 7.6.120.0
The following access point platforms are supported in this release:
Cisco Aironet 2700 and 700W Series Access Points.
Cisco Aironet 3500p Access Point.
Cisco 1040, 1130, 1140, 1240, 1250, 1260, 1600, 2600, 3500, 3600, 3700, Cisco 600 Series OfficeExtend Access Points, 700 Series, AP801, and AP802
Cisco Aironet 1530 Series outdoor 802.11n mesh access points, Cisco Aironet 1550 (1552) Series outdoor 802.11n mesh access points, Cisco Aironet 1520 (1522, 1524) Series outdoor mesh access points
http://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn76mr02.html

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Hi Vinod,
Sorry for the late reply.. this forum thingy is messed up.. suddenly this throws me off!! hav to re-login.. strange!! ok lemme get back..
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====
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