Description: Every release, many messages change and some are deleted. If you use automation programs to handle messages, or you have operator or other procedures that deal with messages, you should update the programs or procedures appropriately.
| Element or feature: | Multiple. |
| When change was introduced: | General migration action not tied to a specific release. |
| Applies to migration from: | z/OS V1R13 and z/OS V1R12. |
| Timing: | Before the first IPL of z/OS V2R1. |
| Is the migration action required? | Yes, if you use automation programs or other procedures to handle messages. |
| Target system hardware requirements: | None. |
| Target system software requirements: | None. |
| Other system (coexistence or fallback) requirements: | None. |
| Restrictions: | None. |
| System impacts: | None. |
| Related IBM® Health Checker for z/OS® check: | None. |
Steps to take: Review the lists of changed and deleted messages at Summary of message changes in z/OS Summary of Message and Interface Changes. Update programs that automate on these messages and make other necessary accommodations.
Reference information: For a list of changed and deleted messages, see z/OS Summary of Message and Interface Changes.