AD Images no longer syncing

Description

User images in Active Directory LDAP are no longer syncing to the users. This used to work but has been slowly breaking. Not all users lost their images right away.

I have double checked that the images still exist in AD, they do.

Thoughts?

Server Setup Information

  • Version of Rocket.Chat Server: 3.6.2
  • Operating System: Ubuntu 18.04
  • Deployment Method: snap
  • Number of Running Instances: 1
  • DB Replicaset Oplog:
  • NodeJS Version: 12.16.1
  • MongoDB Version: 3.6.14
  • Proxy: apache
  • Firewalls involved: none