TM1 Application Id change in different enviornment

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Hi,

I have deployed an TM1 application on dev using Performance molder, now for migrating that application from Dev to QA, i am simply doing export application from dev and import application in QA, by doing this my application id got changed from dev to QA, this is creating problem with user sandbox, as i need to migrate some user sandbox for Dev to QA as well , which is mapped with Dev's Application id. Anyone has any idea that what can be done so that application id do not change in QA, Complete application object migration from Dev to QA is not an option for me.

We are using Cognos BI Ldap security in TM1.

Thanks .