WLC 5508 Fus upgrade

Hi,
I have few 5508 controlers with 7.0.116.0 version and i decided to upgrade to 7.4. I did an upgrade of software and FUS (
AIR-CT5500-K9-1-7-0-0-FUS.aes) on three of them without any problems. But on the last one i cannot upgrade fus image.. I dowload code from tftp server, wlc checks image and ask for reload for changes to take effects. After reboot it still has old fus installed :/ I have no access to console to see if there are any errors during the reboot. Is there any way of troubleshooting?
Thanks

Hi Ad,
same exact image is being used for all WLCs upgrade? or this is a different one (downloaded separately)?
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    >...
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    *** Pls rate all useful responses ****

  • WLC 5508 Firmware Upgradation

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    **** Pls rate all useful responses ****

  • WLC 5508 Software Upgrade

    Hi There,
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    Sent from Cisco Technical Support iPhone App

  • WLC 5508 reboots itself after upgrading to 7.5.102.0

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    No, It will not ask for again.
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    Dont forget to rate helpful posts

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    *** Please rate the post if you find it useful ***

  • WLC 5508 and Autonomous AP 1240 upgrade to Lightweight

    Hi All,
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  • Can we upgrade IOS in WLC 5508 through CISCO prime?

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    Regards
    Dont forget to rate helpful posts

  • Upgrade Software Version WLC 5508

    Dear,
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    **** Pls rate all useful responses ****

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