This article is from a FAQ concerning SCO operating
systems. While some of the information may be applicable to any OS,
or any Unix or Linux OS, it may be specific to SCO Xenix, Open
There is lots of Linux, Mac OS X and general Unix info elsewhere on
this site: Search this site is the best
way to find anything.
First off, you may have up to three difference license
number/activation key combinations to use. Please read the
documentation and the COLA (Certificate Of License and
Authenticity) card(s) carefully. If you are upgrading from an old
release of an SCO product, you will be asked not only to type in
your new SNAK (Serial Number and Activation Key), but also the old
SNAK from your old release. Additionally, if you are upgrading to
the Enterprise system, you must first install and license the Host
system, and then perform an upgrade to Enterprise.
Licensing and registration is a two-step process. The first step
involves licensing, and this takes place when you enter the SNAK
from your COLA. You then fill in a form, included with your
software, and send it to SCO in any of a number of ways. SCO sends
you a registration key, which you enter to complete the
registration process. The registration key is dependent both on
your serial number and on a number generated by the system when you
install it; this latter half means that should you have to
reinstall, you will need to re-register your system.
One big problem many people have had is that in the case of an
Enterprise upgrade, you must register the Host system before
you can register the Enterprise system. If you do not, then you may
end up with a system which will appear to accept your registration
but which will subsequently complain that it has not been
registered, and there is no elegant way out of this situation; SCO
recommends reinstalling to cure this. SCO is working on a cure for
this but it is not ready yet and it will probably not be able to
rescue systems which have already experienced this problem.
If you need to do an upgrade or install and cannot wait for the
registration information to be sent back to you, there is a
procedure you can follow to avoid this problem. Install the Host
system, and then install the Enterprise system. Send SCO the
registration information for _both_ systems. When you receive your
registration keys, perform the following steps:
- Take the system to single-user (maintenance) mode
Remove the Enterprise license. This does not mean
removing the software - just the license.
- Register the Host system license.
- Register the Enterprise system license.
Shut the system down (haltsys) - do not bring it back up
to multi-user mode without shutting down first
If you find yourself unregistering/unlicensing parts of your
system and you have a PANIC, it's possible that you may have upset
the kernel streams linker module. Try booting with the boot string
defbootstr ksl.disable; if that gets the system running,
finish up your licensing and registration work and then reboot with
your usual boot string.
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