More Headstart versions in one database

Is it possible to install two different versions of headstart in the same database.
We have 212 installed and also want to install a version up to patch 12_4 in the same database for development of another application.
If possible what needs to be done extra or different from standard installation?

Geert,
Yes, it is possible to install two different versions of Headstart in the same database. If you use private synonyms or set current schema, the database poses no problems (see also the information on Alter Session Set Current Schema in the CDM RuleFrame User Guide, chapter Runtime Environment).
If you want to run the Headstart-generated forms of these two versions on the same Client PC, or in Webforms on the same Application server, you have to take care that they reference the right Forms libraries. Patch 12.4 contains a new version of qmslib50.pll and qmsevh50.pll (amongst others).
In a Client/Server environment there are two ways to achieve this:
1. You can collect the right libraries of a specific Headstart version in one folder, and run the forms from this folder (Forms looks in the start folder before it looks in the FORMS60_PATH)
2. Run a command script to start Forms (ifrun60.exe), and in the same script, just before the Forms startup, override the default FORMS60_PATH.
In a Webforms environment, you can only use the second method. Run each Forms Server instance on a different port.
regards,
Sandra

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