Verifier Command In Windows Server 2008

In this article I am going to explain about Verifier command in Windows Server 2008 operating system and also explain it's related syntax.
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Verifier command is Windows Server 2008 command line tool. This command is available in Windows Server 2008 R2. Verifier command is used to Driver verifier manager.


verifier /standard /driver <name> [<name> ...]

verifier /standard /all

verifier [/flags <flags>] [/faults [<probability> [<tags> [<applications> [<minutes>]]]] /driver <name> [<name>...]

verifier [/flags FLAGS] [/faults [<probability> [<tags> [<applications> [<minutes>]]]] /all

verifier /querysettings

verifier /volatile /flags <flags>

verifier /volatile /adddriver <name> [<name>...]

verifier /volatile /removedriver <name> [<name>...]

verifier /volatile /faults [<probability> [<tags> [<applications>]]

verifier /reset

verifier /query

verifier /log <LogFileName> [/interval <seconds>]


Parameter of Verifier Command

Parameter Description
<flags> It is a combination of bits and must be a number in decimal or hex.
Value Description
bite 0 special pool checking
bite 1 force irql checking
bite 2 low resources simulation
bite 3 pool tracking
bite 4 I/O verification
bite 5 deadlock detection
bite 6 unused
bite 7 DMA verification
bite 8 security checks
bite 9 force pending I/O requests
bite 10 IRP logging
bite 11 miscellaneous checks

For example, /flags 27 is equivalent with /flags 0x1B.

/volatile Verifier settings change dynamically without restarting the system. When we start is restarted then we lost a new setting.
<probability> Number between 1 and 10,000 specifying the fault injection probability.
<tags> Specifies the pool tags.
<applications> Specifies the image file name of the applications.
<minutes> This is specifying a positive number length of the period after rebooting in minutes. If this parameter is not specified then the default length of 8 minutes will be used.
/? Displays Help at the command prompt.

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