​Microsoft has fastened a number of bugs that trigger set up, replace, and blue display screen of demise (BSOD) points on Home windows Server 2025 units with excessive core counts.
Signs embody Home windows Server 2025 set up or improve processes failing or hanging, in addition to server startup and restart taking as much as three hours (and even longer in some instances). Affected customers may additionally expertise blue screens when beginning, restarting, or making an attempt to run purposes.
Nonetheless, as Redmond explains within the Home windows Model Standing DashboardThese points don’t set off constantly on affected units.
To search out out in case your Home windows Server 2025 system is affected, use the keyboard shortcut CTRL+SHIFT+ESC to open Home windows Job Supervisor and examine if the Efficiency tab reveals greater than 256 logical processors.
“This difficulty was resolved by Home windows updates launched on November 12, 2024 (KB5046617), and later”, the corporate saying at this time. “We advocate that you simply set up the most recent safety replace on your gadget because it comprises essential enhancements and fixes to points, together with this one.”
Microsoft can be offering a workaround for individuals who can not instantly set up the November Patch Tuesday cumulative replace KB5046617, which requires directors to restrict the variety of logical processors on affected units to lower than 256.
To do that, you have to alter what number of logical processors are energetic by following these directions:
- Restart your server and enter UEFI settings. Navigate via the firmware menus, which can fluctuate by producer.
- Find any choices that will let you alter the variety of cores per socket.
- Set the variety of cores per socket to a worth that ensures that the full variety of logical processors is 256 or much less (Vital: The whole variety of logical processors is calculated by first multiplying the variety of sockets by the variety of cores per socket after which multiplying that end result by the variety of logical processors per core).
- Restart the server.
“Altering the variety of logical processors will fluctuate relying on the firmware put in in your gadget,” the corporate added.
Microsoft can be investigating and dealing to repair one other Home windows Server 2025 difficulty. inflicting boot issues on techniques in iSCSI environments and shows “inaccessible boot gadget” errors on affected units.
Redmond introduced final week that Home windows Server 2025 is typically accessiblewith a 180-day free trial accessible via Microsoft Analysis Heart.
Home windows Server 2025 is now the most recent launch from Microsoft’s Lengthy Time period Assist Channel (LTSC) for Home windows Server.
