>That means that the linux emulation by microsoft isn't good enough. You >can work around it by setting checkpoint_flush_after=0 and >wal_writer_flush_after=0. bgwriter_flush_after = 0 # measured in pages, 0 disables backend_flush_after = 0 # measured in pages, 0 disables wal_writer_flush_after = 0 # measured in pages, 0 disables checkpoint_flush_after = 0 # measured in pages, 0 disables I set it as shown above and yet while create the database I get the same warning.