subscription valid for 7 days only.

we have existing vm redhat version 6.6 subscription valid till 2018. yet when we build redhat version 6.8 version and register and attach subscription. the subscription is valid for 7 days only.

Product Name: Red Hat Developer Toolset (for RHEL Server)
Product ID: 176
Version: 2.0
Arch: x86_64
Status: Subscribed
Status Details:
Starts: 09/18/2015
Ends: 08/25/2016