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I have been using Devnet sandbox to access Cisco Modelling Labs as a lab exercise further to Packet Tracer for my CCNA courses at:https://devnetsandbox.cisco.com/DevNetUnfortunately for a week now access to the sandbox has been ‘stuck’ in a launchin...
Further to that for some time now I am unable to access Sandbox on a Windows 10 PC with the following error message:400 Bad RequestRequest Header Or Cookie Too LargeOn a windows 11 machine, once accessing Sandbox, the choice to reserve CML is greyed ...
