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Windows 7: Successful 'In Place' upgrade RC -to - RTM

14 Sep 2009   #1
Charlie9292

Windows 7 RTM
 
 
Successful 'In Place' upgrade RC -to - RTM

This may well be 'old news' for most but I have not yet seen a post verifying this particular 'MS unsupported' upgrade path, namely from Build 7100 RC to build 7600 RTM. It requires editing a file (cversion.ini) in the sources folder of the 7600 RTM file set. The original file contents read:
[HostBuild]
MinClient=7100
nServer=7100

If one edits it to a similar number lower than 7100 then the RTM install WILL do an in-place ugrade. My cversion.ini file contents are:
[HostBuild]
MinClient=6600.0
MinServer=6600.0

With this simple edit Win 7 build 7600 did present the Upgrade installation choice and proceeded to do so without a hitch.

I am posting this for those that choose to do an inplace upgrade from RC to RTM and would oterwise be prevented by MS from doing so. I always recommend a clean install, and do so myself. However through the years I have done many inplace upgrades with no issues.

Upon final reboot the PC this upgrade was done on several days ago, has worked a treat, and has had 0 (zero) issues.


My System SpecsSystem Spec
15 Sep 2009   #2
ddeen

Windows 7 RC 7100
 
 

Thanks for the post, I think we have seen several RC to RTM upgrades that have gone ok. What the trouble will be is all the folks that have pre-ordered the Home Premium or Professional Upgrade and are currently running Ultimate RC, I think the consensus is that those folks are SOL, they will have to blow away their current 7 install, and then re-install either XP or Vista, activate it, and use the upgrade, there is no upgrading of an unactivated OS anymore unless it is Win2000.
My System SpecsSystem Spec
15 Sep 2009   #3
sup3rsprt

XP, Seven, 2008R2
 
 

Quote   Quote: Originally Posted by ddeen View Post
re-install either XP or Vista, activate it, and then upgrade it, there is no upgrading over the top of an unactivated OS anymore unless it is Win2000.
So the cat is finally out of the bag ey?

Problem: You can't upgrade XP to 7. You need to do a clean install.

What you are saying is that people with XP must already have it activated in order to use the upgrade version of Windows 7? Where did you get this information?
My System SpecsSystem Spec
15 Sep 2009   #4
ddeen

Windows 7 RC 7100
 
 

Saw it on Windows 7 Forum on technet a little while ago. Yes, that is what I meant, to use the Upgrade version whether or not you actually upgrade over the top of whatever OS you are running or you do a custom install, the original OS must be activated if XP or Vista. Win2000 of course has no activation.
My System SpecsSystem Spec
15 Sep 2009   #5
ddeen

Windows 7 RC 7100
 
 

My System SpecsSystem Spec
15 Sep 2009   #6
sup3rsprt

XP, Seven, 2008R2
 
 

Thanks for the link. If only Microsoft could make this kind of info available sooner. Whether or not we can do a clean install using the upgrade media (and if/how it works) has been one of the top questions.

btw, ddeen didn't double post. I deleted my earlier post.
My System SpecsSystem Spec
15 Sep 2009   #7
jfar

Vista Ult64, Win7600
 
 

Thanks for the info.
My System SpecsSystem Spec
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 Successful 'In Place' upgrade RC -to - RTM




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