OBJ_IGNORE_IMPERSONATED_DEVICEMAP - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _PHNT_NTDEF_H
#ifndef _NTDEF_

/**
 * Separate device maps exists for each user in the system, and each user can manage
 * their own device maps. If this flag is set, the process user's device map is used
 * during impersonation instead of the impersonated user's device map.
 */
#define OBJ_IGNORE_IMPERSONATED_DEVICEMAP   0x00000800L

#endif
#endif

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NtDoc

This OBJECT_ATTRIBUTES flag indicates that the open/create operation should ignore the DOS Devices map from the logon session of the impersonated token.

Related flags

See also