Specific migration considerations

Specific migration considerations apply when you are migrating from IMS Version 13 or IMS 14 to IMS 15.3.

The information about the IMS features and enhancements that were introduced in the previous versions or releases are not documented in the IMS 15.3 Release Planning information. If you are skipping one or more IMS versions or releases when you migrate to IMS 15.3, review the Release Planning information of each IMS release or version that you are skipping.

For example, if you are migrating to IMS 15.3 from IMS 14, also review the migration considerations in the following information:

The Release Planning information for the IMS releases or versions that are currently supported by IBM® is available in the IBM IMS documentation.

Other IMS documentation is available in PDF format. To learn more, see PDF files of IMS documentation.

If a new function does not have any migration considerations, it is not discussed in the following topics.