To establish two-phase commit when connecting to multiple Rdb databases located on the same physical VMS server, set the following value:
TWOPHASECOMMIT=value
Default = 1.
Environment: Client, Windows, Unix
Configuration Manager: CONNX Settings; Current Key = CONNX\RDB; Key Value/Value Name = TWOPHASECOMMIT
Unix Registry Setting: CONNX.RDB.TWOPHASECOMMIT