To identify duplicate Microsoft® IIS web servers in the TADDM database, you can run an SQL statement. You can merge the duplicates or manually delete the old configuration items in the Data Management Portal. This problem can occur when the IIS web servers have been discovered with an earlier version of TADDM. To read more about how to accomplish these tasks, click here . For late-breaking updates about TADDM 7.2.1 installation, configuration, or sensor support issues, see http://www.ibm.com/support/search.wss?q=taddm721relnotes .