3.3.5.4 GPO File System Version Update
The following file access messages make up the GPO file system version update sequence:
Open the file GPO path\gpt.ini for read/write access.
Read the contents of the Value corresponding to Key "Version".
Increment the GPO file system version.
For user policy mode, increment the upper 16-bit version; or
For computer policy mode, increment the lower 16-bit version.
Write the GPO file system version as the value corresponding to key "Version".
Close the file.