Runs when the computer is started and prior to Windows Server® 2008 R2 starting to verify the logical integrity of a file system.
Autochk.exe is a version of Chkdsk that runs only on NTFS disks and only before Windows Server 2008 R2 starts. Autochk cannot be run directly from the command-line. Instead, Autochk runs in the following situations:
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If you try to run Chkdsk on the boot volume
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If Chkdsk cannot gain exclusive use of the volume
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If the volume is flagged as dirty
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The Autochk command-line tool cannot be directly run from the command-line. Instead, use the Chkntfs command-line tool to configure the way you want Autochk to run at startup. |
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You can use Chkntfs with the /x parameter to prevent Autochk from running on a specific volume or multiple volumes.
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Use the Chkntfs.exe command-line tool with the /t parameter to change the Autochk delay from 0 seconds to up to 3 days (259,200 seconds). However, a long delay means that the computer does not start until the time elapses or until you press a key to cancel Autochk.
Command-Line Syntax Key
Chkdsk
Chkntfs
Troubleshooting Disks and File Systems