Vista - XP OEM to Vista Retail Upgrade EULA question

I'm planning on upgrading from XP Home edition OEM to the Vista Retail
upgrade edition.

With the OEM edition I bought when I built my computer I know I was
responsible for my own tech support, but if I upgrade with the retail version
upgrade for home premium do I get the same tech support features as if I buy
the full retail version? Or is it considered an OEM and thus be not supported
(since the license is incorporated between the new upgrade and the old
software version?)- if that's the case I'd rather get the 40$ cheaper OEM
Vista to install.

I've read the EULA but didn't see this mentioned at all.

Any retail version installation of Windows Vista entitles one to
Microsoft's technical support. That support would include free
installation support and two additional support incidents at no charge.

--
Carey Frisch
Microsoft MVP
Windows Shell/User

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"A.L.B" wrote:

I'm planning on upgrading from XP Home edition OEM to the Vista Retail
upgrade edition.

With the OEM edition I bought when I built my computer I know I was
responsible for my own tech support, but if I upgrade with the retail version
upgrade for home premium do I get the same tech support features as if I buy
the full retail version? Or is it considered an OEM and thus be not supported
(since the license is incorporated between the new upgrade and the old
software version?)- if that's the case I'd rather get the 40$ cheaper OEM
Vista to install.

I've read the EULA but didn't see this mentioned at all.