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Windows 7: Install Win7 to Logical partition?

20 Sep 2009   #1
Microsoft MVP

 
Install Win7 to Logical partition?

After clean installing Windows 7 to second partition dual booting with XP, I notice that the Windows 7 paritition is marked "logical drive" in Disk Management. XP is marked primary active.

Are there any reasons why an OS should not be installed to a logical drive?

My System SpecsSystem Spec
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20 Sep 2009   #2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

A logical drive can function perfectly well as a Boot partition.

However, as it can not be marked Active, it cannot be the System partition.

If, for any reason , you wish to convert it to a Primary partition - rt click it in Paragon Partition Manager an you can convert it in a matter of seconds without data loss.

( You will only be offered the option to convert if doing so adheres to the max no. of partitions allowed under mbr partitioning rules, of course)
My System SpecsSystem Spec
20 Sep 2009   #3
Microsoft MVP

 

Quote   Quote: Originally Posted by SIW2 View Post
A logical drive can function perfectly well as a Boot partition.

However, as it can not be marked Active, it cannot be the System partition.

If, for any reason , you wish to convert it to a Primary partition - rt click it in Paragon Partition Manager an you can convert it in a matter of seconds without data loss.

( You will only be offered the option to convert if doing so adheres to the max no. of partitions allowed under mbr partitioning rules, of course)
Thanks!

Is there any reason to do this if I don't need the boot files now to be contained on the Windows 7 partition?

Would some programs/utilities not recognize a logical partition as containing an OS?

It is running fine, booting up correctly from XP/Win 7 menu.
My System SpecsSystem Spec
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20 Sep 2009   #4

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

You would probably only need if to you wanted to make 7 the System partition . Otherwise, it should be fine as it is. I am not aware of any programs that would complain.
My System SpecsSystem Spec
22 Sep 2009   #5
Microsoft MVP

 

Strange happenings. I converted logical to primary using Paragon Pro bootable. Seemed to affect the responsiveness of the Windows 7 installed there, so I used an image backup I had made before conversion to reimage my HDD. All good now. Today I look in Disk Management and both partitions are now Primary. WTF?
My System SpecsSystem Spec
22 Sep 2009   #6

XP, Seven, 2008R2
 
 

Maybe because there's no point in making a logical partition because there are only 2 partitions on the drive. Logical is only needed when there are more than 4 partitions (the Master Boot Record contains enough space for 4 partition records).
My System SpecsSystem Spec
15 Nov 2010   #7

XP Pro 32, Win7 Pro 64, Windows 7 Ultimate 32/64
 
 

RE
Quote   Quote: Originally Posted by gregrocker View Post
After clean installing Windows 7 to second partition dual booting with XP, I notice that the Windows 7 paritition is marked "logical drive" in Disk Management. XP is marked primary active.

Are there any reasons why an OS should not be installed to a logical drive?

RE: With XP on 1st primary, Windows 7 on a logical OR the 2nd primary..

(Windows 7 and XP boot files are on the XP partition- XP partition is "active".)

Q: With this set-up while in XP.... XP OS is on "C:" .... is the Windows 7 partition "C" while in Windows 7?

Have a thread asking about it here, plus the Pros and Cons of installing to a logical vs a primary...

Currently have the boot files on a 200mb "System Reserved" partition- which while in XP is seen as "C:" and cannot be hidden causing XP to be seen as "D:".

http://www.sevenforums.com/installat...ition-pro.html

Any info you have on this subject would be appreciated.


.
My System SpecsSystem Spec
15 Nov 2010   #8
Microsoft MVP

 

You can install Windows 7 to Logical if there is a Primary Active partition for it to write its boot files to.

If you want to remove XP you'll need to convert Windows 7's Logical partition To Primary using free Partition Wizard bootable CD, then Modify>Set to Active, boot the Windows 7 DVD to run Startup Repair up to 3 separate times to write the boot files to Windows 7 partition.

Or you can create a Primary boot partition in some of the space where you delete XP using free Partition Wizard CD(resizing Windows 7 into the rest of the space if desired), mark it Active then run the Repairs which will write the System MBR and boot files to the newly constructed boot partition.

An added benefit of constructing the boot partition is that the Repairs will also install the Repair Console onto the Advanced Boot Tools menu accessed by tapping F8 at bootup. Normally you need the DVD or Repair CD for this Repair console.
My System SpecsSystem Spec
05 Aug 2011   #9

windows 7 pro 32 bit
 
 

Dear greckrocker!
I just registered just to thank you! It took me some hours to understand why windows will not fix the bootmanager. Although it accepted the logical partition for windows 7 in partnership with xp it was not able to restore the Windows 7 when it was on its own.

I copied the system-files bootmanager/autoexec.bat/ from a fresh Windows 7-install. After that the repair-function was able to find my win-install.

After adding a small primary partition and giving it the boot-flag bootrec /fixboot and /fixmbr (under windows repair console) suceeded. Before that the error message was Element not found OR on german Element nicht gefunden.

After that my kubuntu update-grub will also find the Windows 7 ... full sucess!

Thank you so much. I really was desperate after killing a windows of a customer with installing kubuntu (which I did many times)

Have a nice day/evening -- whereever you live!
Matthias - Austria
My System SpecsSystem Spec
05 Aug 2011   #10
Microsoft MVP

 

Glad it helped, Matthias.

Greets from the beach in Calif (where I live), Boston (where I'm traveling) bound for London, Berlin, Paris, Madrid and Barcelona in the next few months.

All the best to you there and I hope to get to Austria again soon.
My System SpecsSystem Spec
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 Install Win7 to Logical partition?




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