ADX 1000 web-management Error after image update: "Please specify valid Web GUI session details."

[gonzab27]

Hi, 

siwtch Image updated from 12400g to 12502e. 

Procedure:

1. copy tftp flash serverIP ASM12502e.bin primary
2. copy tftp flash serverIP ASR12502e.bin secondary
3. sh flash
4. boot system flash primary
5. write mem
6. reload

After the boot with the last image, I'm able to log to web interface, but data fetch fails. 

The error prompted is:

Error: Unable to retrieve data. Reason: The specified Web GUI session (User: , Remote IP: XX.**filtered**.**filtered**.**filtered**, Session ID: 1946478743) not found. Please specify valid Web GUI session details.

[mudassar7777]

can u share any firmware latest to 12.2.1?

I want to upgrade from ASR12201e