Hi
I have 3 cisco 3750X switches with IOS 12. when I upgrade their IOS to Ver 15 this error is appeared on 2 of them:
"%ILET-1-AUTHENTICATION_FAIL: This Switch may not have been manufactured by Cisco or with Cisco's authorization. This product may contain software that was copied in violation of Cisco's license terms. If your use of this product is the cause of a support issue, Cisco may deny operation of the product, support under your warranty or under a Cisco technical support program such as Smartnet. Please contact Cisco's Technical Assistance Center for more information."
what do this mean?
Regards
