Kerio WebSTAR is a comprehensive server software suite that provides advanced web, email and collaboration services for small to medium-sized businesses.
The new 4D WebSTAR Server Suite V has been proving itself as an exceptional software with its robust features that take advantage of Mac OS X's multiprocessor support, preemptive multitasking, and faster networking. The software maintains its reputation for ease-of-use and security, increasing the performance of the entire server suite.
The caching sub-system has undergone an overhaul, providing even more performance improvements for the server suite. Additionally, the Administration architecture has been completely redesigned to offer Delegatable Authority, granting administrative permissions to virtual host administrators. The Admin Server is now separate from the Web Server to monitor servers and maximize uptime.
The new Admin Client is written in 100% Java, offering a Mac OS X look-and-feel and enabling remote administration from any platform that supports Java. Moreover, the Admin Client now communicates via SSL for more secure administration. The security system now takes advantage of reusable realm security settings and allow/deny security settings, further enhancing overall security.
The latest version has an essential update that needs checking before use. The server will only launch if your installed license is valid for version 5.4.2. If you have a CIP license, it must be valid for updates until April 10th, 2006, or later. You can check your Admin Server Licenses panel in the Admin Client for validity information.
"4D WebSTAR" is now "Kerio WebSTAR." The main folder and application names have been renamed accordingly, and a symbolic link has been introduced for backward compatibility. The WebSTAR CGI Plug-in distributions of PHP have also been updated to version 4.4.2 for enhanced performance. If you are using PHPStar from, you may have to reinstall it after running the WebSTAR Installer.
Overall, the new 4D WebSTAR Server Suite V is an exemplary product that is highly recommended to all users looking for top-notch performance and security in a user-friendly package.
The caching sub-system has undergone an overhaul, providing even more performance improvements for the server suite. Additionally, the Administration architecture has been completely redesigned to offer Delegatable Authority, granting administrative permissions to virtual host administrators. The Admin Server is now separate from the Web Server to monitor servers and maximize uptime.
The new Admin Client is written in 100% Java, offering a Mac OS X look-and-feel and enabling remote administration from any platform that supports Java. Moreover, the Admin Client now communicates via SSL for more secure administration. The security system now takes advantage of reusable realm security settings and allow/deny security settings, further enhancing overall security.
The latest version has an essential update that needs checking before use. The server will only launch if your installed license is valid for version 5.4.2. If you have a CIP license, it must be valid for updates until April 10th, 2006, or later. You can check your Admin Server Licenses panel in the Admin Client for validity information.
"4D WebSTAR" is now "Kerio WebSTAR." The main folder and application names have been renamed accordingly, and a symbolic link has been introduced for backward compatibility. The WebSTAR CGI Plug-in distributions of PHP have also been updated to version 4.4.2 for enhanced performance. If you are using PHPStar from, you may have to reinstall it after running the WebSTAR Installer.
Overall, the new 4D WebSTAR Server Suite V is an exemplary product that is highly recommended to all users looking for top-notch performance and security in a user-friendly package.
What's New
Version 5.4.2: N/A