# Intermittent licensing failures with DT4

**URL:** <https://discourse.devontechnologies.com/t/intermittent-licensing-failures-with-dt4/83274>\
**Category:** DEVONthink\
**Tags:** dt4\
**Created:** [April 27, 2025, 1:53am UTC](https://discourse.devontechnologies.com/t/intermittent-licensing-failures-with-dt4/83274 "2025-04-27T01:53:59Z")\
**Posts on this page:** 1\
**Showing post:** 36

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**Author:** ![BLUEFROG](https://discourse.devontechnologies.com/user_avatar/discourse.devontechnologies.com/bluefrog/32/135_2.png) [@BLUEFROG](https://discourse.devontechnologies.com/u/BLUEFROG)\
**Post date:** [April 29, 2025, 5:51pm UTC](https://discourse.devontechnologies.com/t/intermittent-licensing-failures-with-dt4/83274/36 "2025-04-29T17:51:59Z")

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This has been asked and answered already in this thread. An update is coming.

Also, did you read this…

> [@READ ME – Running the DEVONthink 4 Trial](https://discourse.devontechnologies.com/t/read-me-running-devonthink-4-beta/82600/):
>
> Read this if you want to run a trial of DEVONthink 4… Firstly… DEVONthink 3 and 4 should not be available to run on the same account, on the same Mac. Optimally, DEVONthink 4 should be installed on a separate macOS user account in its own ~/Applications directory to isolate it from other user accounts. However, if you want to run DEVONthink 4 and use it with your DEVONthink 3 databases, you need to make sure version 3 can’t be launched. In the Finder, locate the DEVONthink 3 application. Con…

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