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NetVault Backup Plug-in for Exchange 12.1 - Release Notes

Quest® NetVault® Backup Plug-in for Exchange 12.1

Quest® NetVault® Backup Plug‑in for Exchange 12.1
These release notes provide information about the Quest® NetVault® Backup Plug‑in for Exchange release.

About this release

Quest NetVault Backup (NetVault Backup) Plug‑in for Exchange (Plug‑in for Exchange) 12.1 is a minor release, with enhanced features and functionality. For complete product documentation, visit


Added a Perform Backup Off-Host using Client option, which supports enabling a backup job for a standalone deployment from a remote NetVault Backup Client.


Added support for policy-based backups.


Added support for Exchange Server 2016 CU10 on Windows Server 2012/2012 R2 and Windows Server 2016.


Added Database Availability Group (DAG) support for hardware-based, integrated VSS snapshots for the Dell Compellent product line. Support includes backing up the DAG, restoring to a Recovery Database (RDB) by selecting the targeted client, and restoring to the same Mailbox Database. Restoring to a failover server and replication are not supported.

DNPE-686, DNPE-713

Added support for Exchange Server 2013 CU21 on Windows Server 2012/2012 R2.


Known issues

For a standalone machine, if an offhost backup failed or was aborted after successful mapping of the LUN storage, then LUN does not get unmapped from the offhost client. Instead, it continues to add multiple LUNs on the offhost client for every similar backup failure.

Workaround: To remove the excess volumes, complete the following steps:

Under the Storage tab, expand the server node.
Select that server and click the Volume tab in right pane.
Under the Storage tab, select Expand Volume.


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