Cannot copy GAC_MSIL using RoboCopy

I run the following command in Windows 7
robocopy K:\ L:\ /Z /MIR /ZB /W:0 /V

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And it come up with the following errors at the end. 2 files failed.
Waiting 0 seconds... Retrying...
2012/03/20 11:22:19 ERROR 3 (0x00000003) Scanning Source Directory K:\WINDOWS\assembly\GAC_32\System.EnterpriseServices\2.0.0.0__b03f5f7f11d50a3a\
The system cannot find the path specified.

Waiting 0 seconds... Retrying...
2012/03/20 11:23:55 ERROR 3 (0x00000003) Scanning Source Directory K:\WINDOWS\assembly\GAC_MSIL\IEExecRemote\2.0.0.0__b03f5f7f11d50a3a\
The system cannot find the path specified.

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How to fully copy (disk imaging) the hard disk using robocopy?
bbkevinAsked:
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CSI-Windows_comCommented:
You should not use a regular copy program to copy the Windows folder.

There are MANY file hard links between the c:\Windows\System32 folder and C:\Windows\WinSxS.

Hard links are two or more file names pointing to the same binary disk data.  However, most regular copy programs see them as two separate files and end up duplicating the file data.

An imaging program should not have this same problem.
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