Troubleshooting "Content Deployment" on Technet

You can now find official guidance on troubleshooting content deployment in the following new and updated articles

Troubleshoot content deployment

Administer content deployment

For further reference, you may also check the following blog: 

http://blogs.technet.com/stefan_gossner/archive/2009/05/03/technet-article-on-how-to-troubleshoot-content-deployment-has-been-released.aspx