Skip to main content
cancel
Showing results for 
Search instead for 
Did you mean: 

Calling all Data Engineers! Fabric Data Engineer (Exam DP-700) live sessions are back! Starting October 16th. Sign up.

Reply
Anonymous
Not applicable

Filtering DAX RLS

Hi Everyone,

 

Would you please tell me what might be wrong in the following DAX RLS expression?

 

( [EMC EMAIL] || [DELL EMAIL] ) = userprincipalname()

 

I have two email columns, one @dell.com and the other @emc.com ... so whether username at dell or at emc to filter this column.

 

Please help 

 

thanks,

Amr

1 ACCEPTED SOLUTION
blopez11
Super User
Super User

Maybe try:

( [EMC EMAIL] = userprincipalname () || [DELL EMAIL] = userprincipalname() )

View solution in original post

3 REPLIES 3
v-yingjl
Community Support
Community Support

Hi @Anonymous ,

When using your RLS expression, it will produce the following error message:

RLS error.png

As the error message mentioned, ( [EMC EMAIL] || [DELL EMAIL] )  is a true / false expreesion while userprincipalname() is a text expression, they cannot be compared with each other.

 

The right expression should be like @blopez11  mentioned:

[DELL EMAIL] = userprincipalname() || [EMC EMAIL] = userprincipalname()

It will work when checking the RLS role.

RLS result.png

 

Best Regards,
Yingjie Li

If this post helps then please consider Accept it as the solution to help the other members find it more quickly.

 

amitchandak
Super User
Super User

@Anonymous , print userprincipalname() on card and check

 

Refer : https://community.powerbi.com/t5/MBAS-Gallery/Microsoft-Power-BI-Unleash-row-level-security-patterns-in-Power/td-p/712613

Share with Power BI Enthusiasts: Full Power BI Video (20 Hours) YouTube
Microsoft Fabric Series 60+ Videos YouTube
Microsoft Fabric Hindi End to End YouTube
blopez11
Super User
Super User

Maybe try:

( [EMC EMAIL] = userprincipalname () || [DELL EMAIL] = userprincipalname() )

Helpful resources

Announcements
FabCon Global Hackathon Carousel

FabCon Global Hackathon

Join the Fabric FabCon Global Hackathon—running virtually through Nov 3. Open to all skill levels. $10,000 in prizes!

October Power BI Update Carousel

Power BI Monthly Update - October 2025

Check out the October 2025 Power BI update to learn about new features.

FabCon Atlanta 2026 carousel

FabCon Atlanta 2026

Join us at FabCon Atlanta, March 16-20, for the ultimate Fabric, Power BI, AI and SQL community-led event. Save $200 with code FABCOMM.

Top Solution Authors
Top Kudoed Authors