# Layout settings-\> DUP CHECK not working

**URL:** <https://community.open-emr.org/t/layout-settings-dup-check-not-working/15822>\
**Category:** OpenEMR Development\
**Tags:** question\
**Created:** [January 18, 2021, 7:33am UTC](https://community.open-emr.org/t/layout-settings-dup-check-not-working/15822 "2021-01-18T07:33:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sayooj\_Vayalil](https://community.open-emr.org/user_avatar/community.open-emr.org/sayooj_vayalil/32/15348_2.png) [@Sayooj\_Vayalil](https://community.open-emr.org/u/Sayooj_Vayalil)\
**Post date:** [January 18, 2021, 7:33am UTC](https://community.open-emr.org/t/layout-settings-dup-check-not-working/15822/1 "2021-01-18T07:33:38Z")

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![emr](https://discourse-uploads-openemr.s3.dualstack.us-east-1.amazonaws.com/original/2X/d/d769ad11ecef7544303f2e965176700f874beae1.png)

I have created Dup check for field fname. But when I tried adding through patient add screen, it still accepts the same fname. Can anyone make me understand the usage and possible issue in this case.

Thanks in advance.