Updated the IOS on my Cisco 3850 switches to 03.03.04SE and now my Windows 8.1 WIFI clients drop

Hi,

I have a few Cisco 3850 switches and some 2600 wireless mesh access points.

I few weeks ago I updated my iOS software to 03.03.04SE.

Now my Windows 8.1 computers on WIFI all have very slow connections and drop off the WIFI every day.
My Windows 7 clients work over WIFI with no problems.

I've tried with different Windows 8.1 computers from different companies with no luck.
All Windows 8.1 computers drop off the WIFI.

I've disabled IPV6 because were not using it.
I've tried different wireless drivers with no luck.

Please let me know if you need any additional information.

Thank you.
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TRTurnerAsked:
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Craig BeckConnect With a Mentor Commented:
I would go to 3.3.5 instead.  That'll probably sort it.
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TRTurnerAuthor Commented:
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