ObjectGUID in 1IM not update after provisionning to Target System

Hello!

1IM 8.1

I created Sync Project Native database connector to PostgreSQL DB.

I created mappings 1IM <-> PostgreSQL.

Roles created in PostgreSQL correct. But ObjectGUID in 1IM UNSAccountB not update after provisionning.

Force mapping against direction of syncronization set true.

Screen: https://www.dropbox.com/s/hugxbq7cek1u5af/MappingRule.png?dl=0

When created ADSAccount, ObjectGUID updates correct.

Why ObjectGUIG not update?