Proxmox VE Wiki
The primary source of information is the Proxmox VE Wiki. It combines the reference documentation with user contributed content.
Community Support Forum
We always encourage our users to discuss and share their knowledge using the Proxmox VE Community Forum. The forum is moderated by the Proxmox support team. The large user base is spread out all over the world. Needless to say that such a large forum is a great place to get information.
This is a fast way to communicate with the Proxmox VE community via email.
Mailing list for users: Proxmox VE User List
Proxmox VE is fully open source and contributions are welcome! The primary communication channel for developers is the:
Mailing list for developers: Proxmox VE development discussion
Proxmox Server Solutions GmbH also offers enterprise support available as Proxmox VE Subscription Service Plans. All users with a subscription get access to the Proxmox VE Enterprise Repository, and—with a Basic, Standard or Premium subscription—also to the Proxmox Customer Portal. The customer portal provides help and support with guaranteed response times from the Proxmox VE developers.
For volume discounts, or more information in general, please contact email@example.com.
Proxmox runs a public bug tracker at https://bugzilla.proxmox.com. If an issue appears, file your report there. An issue can be a bug as well as a request for a new feature or enhancement. The bug tracker helps to keep track of the issue and will send a notification once it has been solved.