Many messages and codes have changed, and some new ones have been added in DB2 Server for VSE & VM Version 5 Release 1. See the DB2 Server for VM Messages and Codes and DB2 Server for VSE Messages and Codes manuals.
Archives that were created on prior releases cannot be restored by the DB2 Server for VSE & VM Version 5 Release 1 database manager. If this is attempted the database manager will issue message ARI2038E and terminate. See the DB2 Server for VSE Messages and Codes manual.
If you use R350 DBSU to unload and reload a table in a R510 database, the value of the DATACAPTURE column will be lost.
VM Users with Date/Time or Field Procedure Exits that are dependant on running in a 370 Mode virtual machine must convert to execute in a ESA mode virtual machine. Note that exits requiring AMODE=24 are not affected, as we still support running the Server code in AMODE=24. The above also applies to Single User Mode application programs. The above also applies to Vendor programs that run on the Server, such as database monitoring or tape mount handling programs.