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The NLPR_MODIFIED_COUNT structure specifies a count for the number of times an account's database has been modified.

 typedef struct _NLPR_MODIFIED_COUNT {
   OLD_LARGE_INTEGER ModifiedCount;
 } NLPR_MODIFIED_COUNT,
  *PNLPR_MODIFIED_COUNT;

ModifiedCount: An OLD_LARGE_INTEGER structure, as specified in [MS-SAMR] section 2.2.2.2, that contains the number of modifications made to the database since its creation. This value is the database serial number.