I want to downgrade Solaris 2.7 to Solaris 2.5

We have Solaris 2.7 pre-installed operating system. i want to change Solaris 2.7 to Solaris 2.5 operating system. Because our softwares is running under 2.5. Do you have procedure on how to downgrade OS?
Thanks in Advance,
[email protected] or
[email protected]

Might be advisable to also ask in this forum area:
Servers and Enterprise Software
if you still have trouble.

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