After installing a new version of TPX, we can start TPX using initialized VSAM files without any problem.
Once the production version of the VSAM files (ADMIN1, ADMIN2, NOTES, MAIL, and VIEW) are copied over and have run RESET INTEGRITY, starting TPX results in a U0032 abend in TPXGTSTR.
If you still have this abend after ensuring the correct tables and REGION are specified, please open a case with CA and provide the following for analysis: