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xcopy to mapped drive windows 8

The below command works for me in windows xp and windows 7, however I have a new build in windows 8 and it no longer works.  It says "Invalid Drive Specification"

The p: drive is a mapped network drive.  I think it has something to do with that because if I simply change the p: to e: (local drive) the xcopy command works.  

I can change directory to the P:\ path from command-line, shrug...

xcopy %USERPROFILE%\Favorites\*.* p:\backups\%username%\Favorites\ /s /y

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icecom4
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icecom4
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2 Solutions
 
zackmccrackenCommented:
could you try using quotes around the destination location "p:\backups\%username%\Favorites\"  ?
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bcruse32347Commented:
According to documentation this command should work. Have you checked the command prompt to see if you can see files and folders in p: drive and navigate the folders?
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icecom4Author Commented:
@ Zack
yes, I tryed quotes on the destination, I also tried quotes on source, separately and both.  

@ Bcr
it creates the folders, then stops

but, this gets stranger.  I just ran it not using "run as administrator" and it works.  I am not clapping for joy, because I do not understand why this is happening.  Most of my batches require to be ran as administrator on Win7/8, this is the first time I have seen something not work as admin.  

It means I cannot include this script in some of the other batches which require run as admin, kind of annoying.  

Any thoughts on why this is happening?  Is it perhaps that run as admin causes it to drop authentication for the mapped drive?  I don't know why that would be, I shared it to everyone group.
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zackmccrackenCommented:
run as admin is a different user and does not have the mapping you have created with your own user
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icecom4Author Commented:
A)  Is there a way to map the same mapped drive to administrator then?  

or

B) how can I run the command as the existing user from another batch file?  
runas won't work because it haults for a password, stopping the whole script.
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icecom4Author Commented:
I think I found the solution to the A problem here...
http://www.winhelponline.com/blog/mapped-drives-are-not-seen-from-elevated-command-prompt-in-vista/

Any advise on B though?
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zackmccrackenCommented:
make sure you run the script with the same user as mapping the drive with

or schedule to run the batch file from a scheduled task with a specific user
you can run a batch from within a batch with the call command.
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icecom4Author Commented:
This link has the exact solution to the problem.
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