Raritan has extended the VeriSign Signing Certificate included in several updated firmware releases until March 2011. Firmware releases with this new certificate will be noted by an asterisk by release on the individual product pages. Raritan recommends upgrading to these releases, however customers can choose not to upgrade without impacting product functionality. Customers not upgrading may receive a warning message stating: "This certificate has expired or is not yet valid" (actual text will vary by browser provider and version). This warning message does not impact the functionality of the product.