After upgrading 4235 platform to 5.1(5) E1 it gives at startup the following error
* ERROR: UNSUPPORTED HARDWARE DETECTED
This Cisco Systems IDS software version is not supported on this
hardware platform. Some capabilities will not be available.
For assistance, contact Cisco Systems Technical Assistance Center.
There is no license key installed on the system.
The system will continue to operate with the currently installed
Signature set. A valid license must be obtained in order to apply
Signature updates. Please go to http://www.cisco.com/go/license
to obtain a new license or install a license.
Also it can't produce any alert, although it was give alert in the previous version (4),
Find attached for show tech