A system administrator must access the iDRAC user interface of a Dell PowerEdge 16G server for the first time. What type of password is used by default to log in to the iDRAC UI on PowerEdge 16G servers, enhancing initial security?

For Dell PowerEdge 16th generation (16G) servers, the default iDRAC login credentials have been enhanced for security. Instead of a universal default password, each server is shipped with a unique, randomly generated password from the factory. This "secure default password" is printed on the pull-out information tag, which is typically located on the front of the server chassis and also contains the Service Tag. This measure prevents unauthorized access that could occur with widely known legacy credentials. The default username remains "root".

A. The "root" and "calvin" credentials are a legacy default that Dell has phased out in recent server generations to improve out-of-the-box security.
B. A user-defined password is set by the administrator after the initial login; it is not the default password used for first-time access.
C. Using a blank password for initial login is not a feature of iDRAC, as it would constitute a significant security vulnerability.

1. Dell PowerEdge R760 Installation and Service Manual (A 16G Server Model): In the "System information tag" section, it states, "The system information tag is a slide-out label panel that contains system information such as the Service Tag, NIC, MAC address, and iDRAC default password."

Reference: Dell PowerEdge R760 Installation and Service Manual, Page 20, "Views and features of the system > Front view of the system > System information tag".

2. Dell iDRAC9 7.00.00.00 User's Guide: This guide details the login procedure. In the section "Logging in to the iDRAC web interface," it specifies the use of the secure default password. It notes, "For the secure default password, see the sticker on the back of the system information tag."

Reference: Dell iDRAC9 7.00.00.00 User's Guide, Page 33, "iDRAC web interface > Logging in to the iDRAC web interface".

3. Dell Technologies Info Hub - iDRAC Default Login: This official resource clarifies the password policy change. "Beginning with the 14th generation of PowerEdge servers, the iDRAC comes with a secure default password... The iDRAC secure default password is on the pull-out information tag (Service Tag)."

Reference: Dell Technologies Info Hub, "What is the default username and password for iDRAC?", Document ID: SLN306877.