Many Systems Administrators and Dell TechCenter community members are probably familiar with how to perform Microsoft Windows kernel debugging via a serial port with a null modem cable. Windows debugging allows users to perform advanced crash analysis on a failing system at the OS level in order to root cause issues.
If you know about kernel debugging, you might also be familiar with server console redirection through a null cable modem, which allows you to redirect keyboard input and text output through the serial port. Console redirection can be useful for controlling a target system in order to perform tasks such as changing the BIOS or RAID configuration on the system.
While setting up a Dell server to perform kernel debugging or console redirection is like second nature to many on older Dell servers, the launch of Dell's new 12th Generation PowerEdge Server systems introduced many new features and improvements, including an updated BIOS interface. Because of the new changes, enabling console redirection on 12th Generation Dell Servers involves extra steps for servers such as the PowerEdge R720 and R620.
In his recent wiki article, Dell Engineer Thomas Cantwell gives full details on the Serial Communication settings on a Dell 12th Generation server and provides step-by-step instructions on how to enable OS debugging and console redirection on these servers.
Visit Cantwell's Dell TechCenter wiki post to learn how to configure Dell 12th Generation Servers for console redirection and OS debugging.
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