Guest processing fails for Nutanix AHV, Proxmox VE, Scale Computing HyperCore

Challenge When running backup or replication jobs for Windows virtual machines hosted on Nutanix AHV, Proxmox VE, or Scale Computing HyperCore with Veeam Backup & Replication 13.0.1 Patch 2, guest processing fails with one of the following errors: Failed to install guest processing components for...

QEMU Invalid Pointer Initialization Vulnerability (CNVD-2021-45769)

QEMU is a suite of analog processor software. A security vulnerability exists in QEMU that stems from the use of memory outside of the working mbuf buffer by the function udp6input when processing udp packets from incoming guests that are smaller than the size of the udphdr structure. An attacker...

Troubleshooting Guest Processing Issues | "Test Now" or "Verify network connectivity and credentials"

Article Applicability This article's primary focus is on traditional credentials-based authentication. For environments using a Group Managed Service Account gMSA, please review the User Guide first to ensure you are familiar with all the Requirements and Limitations of gMSA usage. Challenge Skip...

Hyper-V Guest processing skipped (check guest OS VSS state and integration components version)

Challenge Guest VMs will fail to engage VSS when Application-Aware Processing is enabled, generating the error: Error Guest processing skipped check guest OS VSS state and integration components version System.Exception Solution Most Common Solution At the time this article was written in 2014,...

Credentials Test or Job Fails when attempt to use VIX

Challenge When using Veeam Backup & Replication with a VMware environment the following error may be seen when using the Guest Credentials Test or when processing a VM that is in a DMZ or Isolated environment. Failed to prepare guest for hot backup. Error: Failed to connect to guest agent. Errors...

VSSControl: -2147024784 / 0x80070070: There is not enough space on disk

Challenge A job with Guest Processing enabled fails with either: VSSControl: -2147024784 Backup job failed. Cannot create a shadow copy of the volumes containing writer's data. Cannot prepare the Exchange server data to a subsequent restore operation. Cannot store backup/restore manifest. Serial...