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  1. powersupport

    Clarification on Offline PMG Subscription Activation (POM Mirror-Key & Required Commands)

    Hi Team, We would like to clarify the correct steps for activating Proxmox Mail Gateway (PMG) subscriptions in an offline / air-gapped environment using Proxmox Offline Mirror (POM). We understand that the general workflow is: On a machine with internet access (“mirror / key-management”...
  2. powersupport

    Having an issue with the snapshot

    We are currently having an issue where we provisioned 1x Storage LUN via FC to 4x Servers.We mounted the server on 1 of the server as LVM and we realize we are not able to perform snapshot.Understanding from https://pve.proxmox.com/wiki/Storage that LVM are able to perform snapshot with...
  3. powersupport

    Automatic Resource Load Balancing (Similar to VMware DRS) in Proxmox VE

    Hi, We are looking for a PVE cluster resource load balancing function similar to VMware DRS automation. Does the PVE cluster have a similar function for automated resource load balancing? Thank you
  4. powersupport

    Clock and Uptime Discrepancy Between Proxmox VE Host and Virtual Machine

    Hi, I’m encountering a time synchronization issue between one of our Proxmox VE hosts and its virtual machine. Environment: Proxmox VE Host: PVE-SGTNAPAPP02 Virtual Machine: SGTNAPAPP02.tina.gebgd.org Date Observed: 10 October 2025 Issue Details: There is a 2-hour clock...
  5. powersupport

    Secure Boot – Microsoft UEFI CA 2023 Certificate Not Included in EFI Disk

    Hi , We are currently preparing our Windows Server VMs for Microsoft's Secure Boot certificate updates. According to Microsoft’s announcement (ref: https://support.microsoft.com/en-us/topic/windows-secure-boot-certificate-expiration-and-ca-updates-7ff40d33-95dc-4c3c-8725-a9b95457578e), the...
  6. powersupport

    VM 125 Disk on NAS Failing with I/O Errors — Migration and Backup Fail

    Hello, I have a VM (ID 125) running WHM/cPanel. When creating it, I accidentally placed the disk on my NAS Backup storage instead of local storage (local_btrfs). Symptoms / Issues: The VM sometimes shuts down automatically after starting. Inside the VM, dmesg shows repeated I/O errors on...
  7. powersupport

    VM Disk Migration Fails with I/O Read Error

    Hi Support Team, We’re facing an issue while migrating a VM disk. The migration starts but fails part way with an I/O read error from the source NAS storage. Here’s the error: moving disk with snapshots, snapshots will not be moved! create full clone of drive scsi0...
  8. powersupport

    VM Disk Performance Issue After Moving from Local RAID SSD to NFS Storage

    We have a Proxmox VE Essentials 1xCPU subscription and are experiencing a disk performance drop after migrating a VM’s virtual disk. Originally, the VM’s disk was on a local RAID SSD. We moved it to an NFS shared disk (15K RPM RAID array) hosted on an ESXi server over the network. After the...
  9. powersupport

    Server Becomes Unresponsive During PBS Backup

    Hi, When the Proxmox Backup Server (PBS) backup runs, my Proxmox VE server becomes unresponsive. The web GUI and SSH stop working until the backup is finished. Is there any way to fix this? Anybody please assist on this to help resolve the issue. Thanks.
  10. powersupport

    How to change default return-path sender (mailer-daemon@hostname) in PMG?

    Hi Team, We are using Proxmox Mail Gateway (PMG). When emails bounce or fail to send, PMG sends a message from mailer-daemon@<hostname>. The problem is that this email address is not allowed by our SPF/DMARC settings, so other servers sometimes reject it. Is there a way to change the...
  11. powersupport

    How to Allow Customer to Access Only Their Own VM Backup in PBS?

    Hi, I need to provide a customer with access to Proxmox Backup Server (PBS) so they can download and restore their own VM backups. However, the PBS contains backups of many other VMs, and I want to ensure that the customer can only see and access their own VM backups. Could you please guide me...
  12. powersupport

    User Permissions Issue on PBS Datastore – Duplicate Usernames & Fingerprint Retrieval

    Hi, I assigned Admin privileges to a user for a datastore, but I see another user with the same name in the list. Issues: How can I log in with the correct user with admin privileges ? How do I get the datastore fingerprint for the user? Any help would be appreciated. Thanks
  13. powersupport

    Native Support for Individual File Recovery in VMs with Proxmox Backup Server (PBS)

    Hi Support, I hope this message finds you well. Could you please confirm if Proxmox Backup Server (PBS) natively supports individual file recovery within virtual machines? This functionality is essential for our requirements. Looking forward to your response. Thank you
  14. powersupport

    Native Support for Individual File Recovery in Proxmox Backup Server"

    Hi, Could you please advice if Proxmox Backup Server (PBS) natively supports individual file recovery within VMs, without the need for third-party tools? Thank you.
  15. powersupport

    proxmox cluster setup with Alletra 5000

    Hi, For integrating Alletra 5000 storage to a proxmox cluster, may I know which is the best file system we can use? there is not much documentation for this scenario I see some documentations about OCFS2 but not sure if it will work Thank you.
  16. powersupport

    Which file system is the best

    Hi, Which filesystem is best for live migration and HA support in a Proxmox cluster: ext4, XFS, or ZFS? Thank you!
  17. powersupport

    best filesystem for proxmox cluster

    May I know which is the best filesystem for the proxmox cluster, xfs,ext4,xfs, or OCFS2? Thank you.
  18. powersupport

    proxmox cluster with HPE Alletra 5000 as storage

    Hi, Using Proxmox VE with HPE Alletra 5000 as storage: is it possible to configure Proxmox VE to enable high availability (HA) using HPE Alletra 5000 storage? our client plans to connect 30 nodes to the HPE Alletra 5000 with the HA feature. Thank you
  19. powersupport

    Proxmox Mail Gateway

    Hi team, We would like to make some changes to the Proxmox Mail Gateway email notification. 1. change postmaster from the Proxmox notification from postmaster@localhost.localdomain to emailsecurity@localhost.localdomain 2. Remove the localhost from the Proxmox email notification, from...
  20. powersupport

    iscsi storage access directly from proxmox node

    Hi, Is there a way we can directly access iscsi storage from proxmox node