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I am trying to make some space on my C: partition, an SSD drive, by moving the C:\Windows\Installer partition to the D: drive (following this guide).

The last step is:

Launch a Command Prompt (as administrator) and execute the following command.:

junction.exe c:\windows\installer d:\windows\installer

When I do that I get the error:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Windows\system32>junction.exe C:\Windows\Installer D:\Windows\Installer

Junction v1.06 - Windows junction creator and reparse point viewer
Copyright (C) 2000-2010 Mark Russinovich
Sysinternals - www.sysinternals.com

Error creating C:\Windows\Installer:
Cannot create a file when that file already exists.

When I try to remove the file I get:

C:\Windows\system32>rmdir C:\Windows\Installer
The directory is not empty.

And when I try to look what's inside that folder I get:

C:\Windows\system32>cd C:\Windows\Installer

C:\Windows\Installer>dir
 Volume in drive C has no label.
 Volume Serial Number is F8DE-4477

 Directory of C:\Windows\Installer

File Not Found

So, how can I create a symbolic link to the new location (Windows 7)?

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Did you cut and paste the folder? –  Daniel Beck Jul 29 '13 at 13:36
    
Have you tried it in Safe Mode? –  Shevek Jul 29 '13 at 13:37
    
@DanielBeck apparently I cut and pasted the folder contents but not the folder itself. –  BioGeek Jul 29 '13 at 13:43

1 Answer 1

up vote 1 down vote accepted

Had the same problem, after deleting the folder with administrator privileges (it is a hidden system folder so it may be that you don't see it) i got this error message

Junction v1.06 - Windows junction creator and reparse point viewer
Copyright (C) 2000-2010 Mark Russinovich
Sysinternals - www.sysinternals.com

Error creating C:\Windows\Installer:
Zugriff verweigert

But no problem, after running the command prompt as administrator it worked.

BTW: You can get the tool here: http://technet.microsoft.com/en-us/sysinternals/bb896768

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1  
Just to add, you no longer have to use junction. In newer versions of Windows you can just use the default tool mklink for this (symbolic links, hard links, and junctions). –  Mario Dec 12 '14 at 13:08

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