Please help us by providing the following info. Before posting please also check the pinned "Known issues" threads and make sure that you're running the latest available version for your oC release: https://owncloud.org/changelog/
Steps to reproduce
1. Log into oC Server, select admin
2. Change "File Handling, Maximum upload size" to anything other than the default "2 MB"
oC will allow files larger than 2 MB to be uploaded via the web interface
Maximum upload size setting keeps reverting to 2 MB - unable to upload larger files
Operating system: Ubuntu 16.04.2 x86_64
Web server: Apache
PHP version: 7.0
ownCloud version (see ownCloud admin page): 9.1.4
Updated from an older ownCloud or fresh install: 9.1.3
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption): No encryption or add-ons installed. External storage for Dropbox and Google are enabled.
ownCloud log (data/owncloud.log)
Please paste possible errors in the following code block, see https://central.owncloud.org/t/how-to-find-webserver-or-oc-logfile-enable-php-logfile/808 for more info
[Tue Feb 21 06:25:05.477217 2017] [mpm_prefork:notice] [pid 978] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2g configured -- resuming normal operations [Tue Feb 21 06:25:05.477249 2017] [core:notice] [pid 978] AH00094: Command line: '/usr/sbin/apache2'
Integrity status for oC9+
No errors have been found.