Article ID: 117925, created on Oct 13, 2013, last review on May 10, 2014

  • Applies to:
  • Virtuozzo containers for Windows


Parallels Virtuozzo Containers for Windows node crashes with DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1) Blue Screen. vzsched.sys driver is implicated as the probable cause.

Memory dump analysis shows similar stack:

    93414c40 b8fadc58 nt!KiTrap0E+0x18c
    93414cb4 b8fb3286 vzsched+0x8 
    93414ce8 b7b504dd vzsched+0xa6 
    93414d04 b91ceec7 vzresdrv+0x2d 
    93414d64 0157d95c vzktech+0x1feec7 
    WARNING: Frame IP not in any known module. Following frames may be wrong. 
    93414d68 badb0d00 0x157d95c 
    93414d6c 00000000 Msfs!MsReferenceVcb+0x16


The problem is identified as a product issue PCWIN-20128.


The fix will be available in one of the future updates.

Search Words

bsod d1



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