F5 - Guest Access to Specific Partition Only

[kmong]

We are trying to configure another "guest" Remote Role group on F5 to access a specific partition on F5 LTM.

Attributes are already created, same as the Shell Profile in ISE. However, what's happening is both Guest accounts are able to access 2 different partitions. Please help how to make this work. 

[Arne Bier]

Are you using TACACS+ as device admin protocol?

This link here suggests that the TACACS+ attribute "F5-LTM-User-Partition" is used.