How to update Veeam Backup and Replication v12 RTM to GA version

On February 17, 2023, Veeam Backup & Replication v12 Day 0 is being released. This update is intended for existing Veeam Backup & Replication 12 RTM (build 12.0.0.1402) installations and will upgrade them to Veeam Backup & Replication V12 GA (build 12.0.0.0.1420). This update can be skipped if Veeam Backup & Replication 12 GA (build 12.0.0.1420) is already installed.

Note:

Day 0 update does not require a Veeam Backup Server reboot.

This update addresses several internal issues reported by our partners while using Veeam Backup & Replication 12 RTM (build 12.0.0.1402).

General

If the plug-in for Veeam Backup for AWS version 4.0 is installed, the encrypted configuration backups complete with the following warning:

Failed to connect to AWS plug-in
Creating object storage repositories on certain S3-compatible object storage devices with non-standard S3 responses fails with the following error:

Failed to deserialize SBucket from XmlString
Backup servers with multiple Locations configured do not allow assigning replication jobs to more than one location.
REST API call GET /api/backups?format=Entity incorrectly returns object of “ChildBackup” type instead of “ParentBackup” type.
Re-IP rules are not applied to agent-based backups when restoring them with the Veeam Recovery Orchestrator.
Under rare circumstances, opening the VMware Backup Job wizard may fail with the following error:

Nullable object must have a value

Veeam Cloud Connect

Backup jobs to cloud repositories backed by a scale-out backup repository with SMB or NFS performance extents fail if at least one such extent is unavailable or is in maintenance mode.
Backup Copy jobs with encryption enabled targeting a cloud repository backed by a hardened repository fail to process transaction logs with the following error:

Failed to make backup immutable
Replication jobs from storage snapshots fail with the error:

Unable to prepare source for task

1. Log in to Veeam Backup and Replication manager server.

2. Download Veeam Backup & Replication v12 Day o update the installation package from the below link.

KB4415: Release Information for Veeam Backup & Replication 12 Day 0 Update

3. Open the Veeam Backup & Replication Console and click Connect.

4. Enter the MFA Confirmation code and click Confirm.

5. Verify the existing Veeam Backup &Replication version from Veeam Backup & Replication console (Help |Abut). Before installing this update, please confirm you are running Veeam Backup &Replication build 12.0.0.1402.