Error Copying File or Folder . Cannot copy File:

Dear Experts,
I have at my work an HP MSA1000 (SAN) with HP DL380 G3. We are preparing a new fileserver with W2K3 that is connected to the SAN through fiber optic. We are using robocopy to migrate files from our old File Server NT4. The migrated folder (called vol1) that contains all our files (user homefolders etc) is about 80GB and it is placed on SAN disks. I am trying to copy that folder in another HD but I get  a window with the following message after the preparing to copy files:

Error Copying File or Folder
Cannot copy File:

If I browse the vol1 subdirectories and copy them little by little they can be copied to alternate locations (so there is no issue of ACL)

Is there any known limitation for how many file can copied for win2003 enterprise server?
Why can't I copy all my files at once?

Thanks, in advance.
prjim166Asked:
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map000Commented:
are you using an account which have permission on both servers? (I mean the account which runs robocopy)
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prjim166Author Commented:
This is frustrating. It seems that the reason for not been able to copy the vol1 folder is that a user has 7 nested folders with long file names and a file which is at least 40characters.
 When I tried to copy the vol1 folder apparently the path was so large windows couldn't display it.
Trying to copy the files from folders more deep in the tree seems to work.

The question is that although the path + filename isn't 255 characters long, I get a filename is not valid or too long message.
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PAQ_ManCommented:
PAQed with points refunded (500)

PAQ_Man
Community Support Moderator
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Windows Server 2003

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