# Fingerprint stops working upgrade to v3.0.1

**URL:** <https://forum.mautic.org/t/fingerprint-stops-working-upgrade-to-v3-0-1/15163>\
**Category:** Mautic 3 - Install/Upgrade Support\
**Created:** [July 10, 2020, 6:51pm UTC](https://forum.mautic.org/t/fingerprint-stops-working-upgrade-to-v3-0-1/15163 "2020-07-10T18:51:04Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![bulgin](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/bulgin/32/1001_2.png) [@bulgin](https://forum.mautic.org/u/bulgin)\
**Post date:** [July 10, 2020, 6:51pm UTC](https://forum.mautic.org/t/fingerprint-stops-working-upgrade-to-v3-0-1/15163/1 "2020-07-10T18:51:04Z")

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**Your software**  
v3.0.1  
_My PHP version is_ :

# 7.2.31

_My MySQL/MariaDB version is_ (delete as applicable): MySQL/MariaDB version  
Ver 14.14 Distrib 5.7.30  
**Updating/Installing Errors**  
_I am_ (delete as applicable): Updating  
_Upgrading/installing via_ (delete as applicable) : Web

**Your problem**  
_My problem is_ :

Fingerprinting has ceased to work. No fingerprint data whereas it worked before.

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**Author:** ![silavapi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/silavapi/32/7424_2.png) [@silavapi](https://forum.mautic.org/u/silavapi)\
**Post date:** [July 10, 2020, 6:53pm UTC](https://forum.mautic.org/t/fingerprint-stops-working-upgrade-to-v3-0-1/15163/2 "2020-07-10T18:53:20Z")

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Hi there,

Fingerprinting was removed in 3.0, so it will no longer work.

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<div class="post-metadata">

**Author:** ![bulgin](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/bulgin/32/1001_2.png) [@bulgin](https://forum.mautic.org/u/bulgin)\
**Post date:** [July 10, 2020, 7:07pm UTC](https://forum.mautic.org/t/fingerprint-stops-working-upgrade-to-v3-0-1/15163/3 "2020-07-10T19:07:34Z")

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Why? Just curious. Privacy issues or programming or a combination or something totally different? Like Martians said we can’t do that.

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**Author:** ![silavapi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/silavapi/32/7424_2.png) [@silavapi](https://forum.mautic.org/u/silavapi)\
**Post date:** [July 10, 2020, 8:19pm UTC](https://forum.mautic.org/t/fingerprint-stops-working-upgrade-to-v3-0-1/15163/4 "2020-07-10T20:19:21Z")

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You can read the detail behind the decision in the PR here: [https://github.com/mautic/mautic/pull/8428](https://github.com/mautic/mautic/pull/8428)