Both OnSite administrative users and authorized users can access the Web Manager from a browser.OnSite administrative users who are logging into the Web Manager to perform OnSite configuration and any user logging in to monitor the OnSite’s temperature or to perform IPDU power management can use any modern browser (such as Internet Explorer 5.5 or above, Netscape 6.0 or above, Mozilla or Firefox).Browsers used for logging into the Web Manager to access devices connected to KVM or serial ports must meet additional requirements described in Other Web Manager Login and Port Connection Options and Requirements.Only one OnSite administrative user can be logged into the Web Manager at a time. If a second administrative user attempts to log into the Web Manager, the prompt shown in the following figure appears.If the dialog in Web Manager Prompt When Another Administrative User is Logged In appears, the administrator clicks the “Yes” button to log in and force the other administrative user to be logged out.