We are running CICS TS 2.3. I'm an application programmer. I requested that systems set a "DTB=yes" parameter on my PCT entry and a "log=Yes" on the FCT for the VSAM file where I wished DTB to operate. Since I'm an old dog I go back to the days where your CICS tables were batch jobs and you assembled your CICS tables and DTB=YES was an option for the PCT. I know it's done interactivly now, but my systems guy said there is no interactive DTB parameter on the PCT. He set something in the SIT, but my rollback function is still not operating at all. Any clues?