[NC 14] Problem with DFS share mounting remains

Nextcloud version: 14 beta4
Operating system and version: Ubuntu 18.04
Apache or nginx version: Apache 2.4.25
PHP version: 7.2

The issue you are facing:
When you try mounting DFS-R windows share as an external storage, behavior depends on provided credentials. If domain account belongs to Domain Admins group, share will be mounted. If domain account doesn’t belong to Domain Admins, share will not be mounted with “you’ve got an empty response from server” error.

Steps to replicate it:

  1. Setup 2 windows servers, join them to windows AD domain, create a test folder on each one of them, create a DFS-R replication between that folders.
  2. Share one of that folders (any,
  3. Try to mount it on Nextcloud as an external storage.

The output of your Nextcloud log in Admin > Logging:

Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:23:30+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:20:55+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:16:58+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:14:08+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:14:08+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:12:44+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:12:28+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0	2018-08-16T19:12:28+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:11:18+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:11:18+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:11:18+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:11:18+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:11:15+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:52+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:52+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:51+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:48+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:38+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:38+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:37+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:37+0300
Error	index	OCP\Files\NotFoundException: 	2018-08-16T19:10:35+0300
Error	PHP	PHP Startup: Unable to load dynamic library 'redis.so' (tried: /usr/lib/php/20170718/redis.so (/usr/lib/php/20170718/redis.so: undefined symbol: igbinary_serialize), /usr/lib/php/20170718/redis.so.so (/usr/lib/php/20170718/redis.so.so: cannot open shared object file: No such file or directory)) at Unknown#0

For the beta version, please report issues directly to the bug tracker:
https://github.com/nextcloud/issues

And this stuff has been working in NC13 for you? I’d also check out the redis errors, especially if they are new with NC14.

No, it didn’t work in NC13 too. The bug remains through versions.