Hi,
Based on your description, the connector client on one of your WHS 2011 client computers somehow became corrupted and you were unable to either uninstall the connector or successfully reinstall the connector to repair it.
Please refer to the following MS TechNet article which also covers deployment issues relating to WHS 2011.
SBS 2011: Troubleshooting Client Deployment
http://social.technet.microsoft.com/wiki/contents/articles/3941.sbs-2011-troubleshooting-client-deployment-en-us.aspx
This article explains the process for determining the error being generated when connector installation or execution fails and provides detailed troubleshooting for each of the common errors.
Best Regards,
Alvin Wang
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