Microsoft has fastened a identified situation inflicting “boot gadget inaccessible” errors throughout startup on some Home windows Server 2025 methods utilizing iSCSI.
“That is noticed on servers working below NDIS Ballot Mode booting from an iSCSI LUN,” the corporate defined when it acknowledged the bug in late October.
“Below such configuration, the server will expertise the error throughout startup, after the set up of Home windows Server 2025 is accomplished.”
The iSCSI protocol (quick for Web Small Pc Methods Interface) is a built-in Home windows Server part that enables servers to hook up with distant storage gadgets over TCP/IP networks utilizing SCSI instructions.
This permits them to make use of distant storage (typically hosted on a SAN or Storage Space Community) like an area disk, making iSCSI supreme to be used in centralized storage, virtualization, and information heart environments.
“This situation was resolved by Home windows updates launched February 11, 2025 (KB5051987), and later,” the corporate stated in an replace to the Home windows launch well being dashboard.
“We advocate you put in the most recent replace to your gadget because it comprises vital enhancements and situation resolutions, together with this one.”
The KB5051987 cumulative replace additionally fixes bugs inflicting USB audio and digicam issues after putting in the January 2025 safety updates.
In November, Redmond addressed one other sequence of bugs that have been triggering set up, improve, and Blue Display screen of Demise (BSOD) points on Home windows Server 2025 gadgets with a excessive core depend, and one month later, a identified situation inflicting boot failures on some Home windows Server 2022 methods with two or extra NUMA nodes.
Home windows Server 2025 (the Lengthy-Time period Servicing Channel/LTSC launch for Home windows Server) reached normal availability in early November, with a free 180-day trial accessible by way of the Microsoft Analysis Heart.
Microsoft launched the primary Home windows Server 2025 construct for admins within the Home windows Insider program in January, introducing hotpatching, next-gen Lively Listing, and assist for ‘SMB over QUIC’ various ports.