cisco asa upgrade

i have just upgraded asa to version 7.2 and asdm 5.2 but when i oprn asdm is says 5.2 does not support asa 7.1

looking at my config in cli it must be booting to 7.1

ASA Version 7.1(2)

boot system disk0:/asa712-k8.bin
boot system disk0:/asa722-k8.bin

how do i get the firewall to boot using the new image, i have already set using the:
boot system disk0:/asa722-k8.bin

and if i do again to make sure it says
Unable to set this url, it has already been set
Remove the first instance before adding this one

please advise, i assume i need to remove the asa712-k8.bin but there is nothing in the instructions for upgrading
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hercnemesisAsked:
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hercnemesisAuthor Commented:
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2PiFLCommented:
in config mode:
ASA# conf t
ASA(config)# no boot system disk0:/asa712-k8.bin
ASA(config)# exit
ASA#wr mem
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2PiFLCommented:

You'll need to restart the ASA to load the new image.
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hercnemesisAuthor Commented:
excellent, thankyou very much, all sorted, now running 7.2 and 5.2 asdm, hopefully now can setup L2tp
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