How to change Java UME to point to LADP in dual Stack System.

Hi,
We are in the process of CRM upgrade from 5.x to 7.0. Our 5.x system is dual stack system and Java UME authentication is set to dataSourceConfiguration_r3_roles_db.xml
Right now CRM users login to Enterprise Portal using ADS authentication and access CRM using Single Sign On.
But in 7.0 they want to use JAVA stack in CRM directly using ADS.
According to this note 718383, we can't change UME to LDAP if it's set to dataSourceConfiguration_r3_roles_db.xml.
Please suggest how we can change UME to ADS during CRM upgrade to 7.0.
Thanks for your help!!
Kiran

> According to this note 718383, we can't change UME to LDAP if it's set to dataSourceConfiguration_r3_roles_db.xml.
Correct. Otherwise you will loose the 'connection' between the ABAP user and the roles.
> Please suggest how we can change UME to ADS during CRM upgrade to 7.0.
You can't. A dual stack instance requires the Java user store being in ABAP.
I would recommend anyway separating the two instances and making two out of them and no more use double stack systems. This will make changes easier and also does not force you to keep them both in sync (supportpackages).
Markus

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