https://www.infopathdev.com:443/blogs/mel_balsamo/archive/2011/07/11/how-to-create-a-digital-certificate-and-publish-a-signed-template-to-the-dbxl-admin-tool.aspxBecause InfoPath 2010 digital certificates are only good for a month, we will use the Digital Certificate for VBA Projects tool to create one that will last several years. You could also use InfoPath 2007 or 2003 (if available) as these both produce digitalenCommunityServer 2007 SP3 (Build: 31118.962)