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Release notes for Veeam Backup & Replication 10a Cumulative Patch P20210609

KB ID: 4180
Product: Veeam Backup & Replication 10a
Published: 2021-06-10
Last Modified: 2021-07-23
Intended audience for this update

The update on this page is provided as a courtesy to customers who wish to remain on Veeam Backup & Replication 10a for an extended time.

When possible, users are advised to upgrade to version 11 instead of deploying this patch.

This v10 update prevents updating to v11
Installation of the patch on this page (P20210609) will prevent upgrading to version 11 and will only be compatible with an upgrade to version 11a, which is planned for release in Q3 2021.

Requirements

Please confirm that you are running version 10a (build 10.0.1.4854) before installing this update. You can check this under Help | About in the Veeam Backup & Replication console. After the upgrade, your build number will be 10.0.1.4854 P20210609.

Veeam Cloud Connect tenants: ensure that your service provider uses version 11 P20210507 or later for their Cloud Connect infrastructure before deploying this patch.

Veeam Cloud Connect service providers: this patch cannot be deployed on the Cloud Connect infrastructure servers running version 10a. Please upgrade directly to version 11 instead.

New Features

  • Various product functionality should no longer incorrectly detect Windows 10 21H1 and Windows Server 2022 versions or refuse to work with them. Instead, it will attempt to process them using the existing logic created for previous OS versions. This change does not constitute the official support of these platforms, which is planned for version 11a.

Resolved Issues

  • Backported Microsoft .NET remoting changes from V11 to address a vulnerability (CVE-2021-35971) in the deserialization logic. Veeam would like to thank Markus Wulftange from Code White for reporting the vulnerability and for his collaboration with the mitigation.
  • Object storage: following an extended backup server downtime the retention policy stops cleaning up checkpoints as their immutability period expire; object storage certificate validation does not include a check of whether the certificate belongs to the specified S3 endpoint; changed the blocking “bucket has object versioning enabled” error to a warning to enable registering Backblaze B2 object storage buckets.
  • NAS backup: Improved performance of file share backup jobs when using file proxy servers with a large number of cores.

Known Issues

  • File level recovery on a remote backup console fails with the “Object of type cannot be converted” error. To work around the issue, please install the patch on all remote consoles manually.

Solution

This v10 update prevents updating to v11
Installation of the patch on this page (P20210609) will prevent upgrading to version 11 and will only be compatible with an upgrade to version 11a, which is planned for release in Q3 2021.
If you have 10a installed (GA build 10.0.1.4854), you can apply Cumulative Patch P20210609 using the following update package:

MD5A34C297D6B1D74F6E4E45280296F13C5
SHA-1A9431F8FE9B9727CA62143ABF7AE10899D04E4B4

For new installations and upgrades from the previous versions, use the 10a P20210609 ISO image:

MD5D4965C764B20902AD6AE8A7EC0BA4DE0
SHA-1DBD7281C043EDECA37893656ED000CEF9A2E59B7
More recent product version is availabe

Please find the latest version of Veeam Backup & Replication here:

https://www.veeam.com/backup-replication-vcp-download.html

KB ID: 4180
Product: Veeam Backup & Replication 10a
Published: 2021-06-10
Last Modified: 2021-07-23

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