Firstly, are you sure both units are just 4400 units? If one is a 4400 SE then you require a different version for the 4400SE, mainly 6.11...
Also, what happens if you disconnect them from each other, and upgrade individually? Once yuo have 6.1 on both units, there shouldn't be a problem...
Hi all, is anyone here able to supply me with a copy of Cisco's End of Life free product, QoS Device Manager 2.1.2? The original file name was qdm-2.1.2.tar, which may have been renamed qdm.tar in your routers flash?
Thanks in advance
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