# Unknown error while uploading large files

**URL:** <https://help.nextcloud.com/t/unknown-error-while-uploading-large-files/229258>\
**Category:** ℹ️ Support\
**Tags:** aio, webdav, nc31\
**Created:** [July 24, 2025, 9:36pm UTC](https://help.nextcloud.com/t/unknown-error-while-uploading-large-files/229258 "2025-07-24T21:36:03Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![vawaver](https://help.nextcloud.com/user_avatar/help.nextcloud.com/vawaver/32/71824_2.png) [@vawaver](https://help.nextcloud.com/u/vawaver)\
**Post date:** [August 21, 2025, 7:28pm UTC](https://help.nextcloud.com/t/unknown-error-while-uploading-large-files/229258/5 "2025-08-21T19:28:09Z")

</div>

Try looking at this post of mine and maybe try my settings.

> [@Testing Large File Synchronization with Nextcloud AIO and NGINX Proxy — June 2025 Update](https://help.nextcloud.com/t/testing-large-file-synchronization-with-nextcloud-aio-and-nginx-proxy-june-2025-update/226681):
>
> magnifying_glass_tilted_left Testing Large File Synchronization with Nextcloud AIO and NGINX Proxy — June 2025 Update Date of test: June 11, 2025 Reason for testing: Due to the ongoing reports on the forum regarding problems with syncing large files via Nextcloud, I performed another test with the latest versions of the stack. The goal was again to verify stability and behavior when syncing a file larger than 20 GB via the official desktop client. test_tube Test Setup Nextcloud AIO: v1…

---

_[View the full topic](https://help.nextcloud.com/t/unknown-error-while-uploading-large-files/229258)._