I am resolved.  I did not have the IPBASE licence level set on the 3750X switch.  after setting the "license boot level ipbase" and rebooting it came right up.   Thanks  very helpful posts

I am trying to add a 3750x to an existing 3750 stack.  Upgraded existing stack to c3750-ipbasek9-mz-122(55)SE1.  New 3750X is running c3750e-ipbasek9-mz-122(55)SE1.  3750 is provisioned in the existing stack but still gets MAJOR_VERSION_MISMATCH whe...

Very interested in your reporting app, as long as it is a scripted language.   We recently ran into a issue where we were pushing out firmware version 8.5(3) and found that anything prior to 8.3(3) would not upgrade and had to be upgraded to 8.5(2) f...