Following are the system requirements for SmartTag
- SharePoint 2010 Installed
- At least 1 Web front end server
- SharePoint 2010 Term store configured
- IFilters installed for required document types
- Administrative privileges for installation of SmartTag
- Please make sure that you have enough RAM installed on WFE.
As SmartTag installs assemblies in GAC. Currently it don't support SandBox environment.
Scanning content of any document is heavy operation, please make sure that you have high end servers otherwise you may face performance impact in document uploads with SmartTag configured.