WSUS Import error on detached WSUS Server

I have two WSUS Servers.  One has internet access and one does not and is on an standalone network.  I'm using the the WSUS server that is connected to the internet to download and export the updates to the WSUS Server on the standalone network.  Below is my process and the specs.

1. Copy the contents of WSUSContents from WSUS Server with internet to WSUS Server on standalone network.
2. Run the "wsusutil.exe export export.log" command on the WSUS Server with internet.  
3. Copy the "export.log" and "" from the WSUS Server with internet to Server on standalone network.
4. Run the "wsusutil.exe import export.log" command on the WSUS Server on standalone network.

Running step 4 from above I get the following error message in the command prompt:   ExpandCabinetToDirectory(C:\Documents and Settings\Administrator\Local Settings\Temp\tmp45.tmp): failed(13)Import failed to import updates. Please look at the logfile for error details.
Fatal Error: Unable to uncompress package.        

I check for tmp45.tmp file and it does not exist.  I've made sure that Administrators has access to the temp folder and even granted WSUS Adminstrators access as well.

When I check the export.log file (C:\Program Files\Update Services\Tools) it goes from it's original size of 6meg to 1kb and contains the following error:   <?xml version="1.0"encoding="utf-8"?><ImportLog Time="2009-07-06T17:20:172"><ImportError Message="Unable to uncompress package"/></ImportLog>

All commands on both servers were ran from the local administrator account.  Both WSUS Servers are configured the same to the best of my ability including WSUS settings.

WSUS Server with Internet info:
     1. virtual Win2003sp2 SE x86 running on VMWorkstation 6.5.2 with XP sp2 x86 host.
     2. running WSUS 3.0 sp1 x86

WSUS Server on standalone network info:
     1. virtual Win2003sp2 SE x86 running on HYPER-V Server (v.R1)
     2. running WSUS 3.0 sp1 x86

Any advice or guidance would greatly be appreciated!
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DonConnect With a Mentor Network AdministratorCommented:
Have you gone over this doc?

Set Up a Disconnected Network (Import and Export Updates)

Be sure to look at steps 1-3 at bottom of page
DonNetwork AdministratorCommented:
ESM02Author Commented:
Thank you for the reply.  I did try the first link and am now going to try the script from the second link.  Will post the results.
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ESM02Author Commented:
Well I got the import to work by rebuilding the Import Server.  But now, after successfully importing into the import server, I have to continuesly restart BITS to "kick start" the download.  After that it will run a little bit and then stop again (stop for hours).  Once I restart BITS, it downloads some more.  
DonNetwork AdministratorCommented:
any  errors in the eventlog???
ESM02Author Commented:
Fixed it!  Believe it was a combination of:
1. the way I was coping the "WSUSContent".  I was just selecting all, copying to external drive, and pasting on Import server.  I instead, performed the process using the ntbackup utility.
2. Our Export server wasn't able to download all the updates that I approved do to company proxy/firewall blocking some of the updates from downloading, therefore generating some errors in the metadata I assume.  I gained access to a "wide open" connection to eliminate that problem.

Thank you all for your response.
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