# DTTG4 license to DT Server not persistent

**URL:** <https://discourse.devontechnologies.com/t/dttg4-license-to-dt-server-not-persistent/85639>\
**Category:** DEVONthink To Go\
**Created:** [November 28, 2025, 8:22am UTC](https://discourse.devontechnologies.com/t/dttg4-license-to-dt-server-not-persistent/85639 "2025-11-28T08:22:23Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Kalanthes](https://discourse.devontechnologies.com/letter_avatar_proxy/v4/letter/k/c68b51/32.png) [@Kalanthes](https://discourse.devontechnologies.com/u/Kalanthes)\
**Post date:** [November 28, 2025, 8:22am UTC](https://discourse.devontechnologies.com/t/dttg4-license-to-dt-server-not-persistent/85639/1 "2025-11-28T08:22:23Z")

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I have upgraded my DEVONthink Server to v4 wihtout issues.

Updating the iOS app is now throwing issues.

1. assigning the licsense is working only temporary. As soon as I close the app and restart it, the license needs to be assigned again. 

2. why is the sync-settings to WebDAV not migrated from v3? This is annoying to add and sync again.

Edit: The license in my user account is correctly shown. Seems the app is just not saving it persistant.

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**Author:** ![rmschne](https://discourse.devontechnologies.com/letter_avatar_proxy/v4/letter/r/8baadc/32.png) [@rmschne](https://discourse.devontechnologies.com/u/rmschne)\
**Post date:** [November 28, 2025, 8:31am UTC](https://discourse.devontechnologies.com/t/dttg4-license-to-dt-server-not-persistent/85639/2 "2025-11-28T08:31:19Z")

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Discussed in many other previous posts. DEVONtechnologies has announced 4.0.2 which hopefully will resolve the issue.

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**Author:** ![JayEssKay](https://discourse.devontechnologies.com/letter_avatar_proxy/v4/letter/j/c77e96/32.png) [@JayEssKay](https://discourse.devontechnologies.com/u/JayEssKay)\
**Post date:** [November 29, 2025, 5:30am UTC](https://discourse.devontechnologies.com/t/dttg4-license-to-dt-server-not-persistent/85639/3 "2025-11-29T05:30:23Z")

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Exactly the same thing as me, but I don’t even have to close the app. I gave up because I had to re-license it every 20-30 seconds, had no issues on the beta, though. I should probably just go back to the TestFlight version.