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NetVault Plug-in for Exchange 10.0.5 - User Guide

Introducing Dell™ NetVault™ Backup Plug-in for Exchange Defining an Exchange data protection strategy Planning your Exchange Server deployment Installing and removing the plug-in Configuring the plug-in Backing up data Restoring data Troubleshooting

Recovering to an alternate Exchange Server in Exchange 2007/2010/2013

Clean installation of Exchange has been performed on the new target server: Dell recommends that you complete this step on a newly installed Exchange Server, rather than an existing one.
Target server established in a different network domain (ESE-based backups only): For this operation to work, the target machine for this operation must reside on a different network domain than where the original Exchange Server resides. If these two machines are set up on the same domain, NetVault Backup always attempts to recover the selected data to the original Exchange Server. VSS-based backups can be restored to target servers in the same network domain.
For ESE-based backups (only applies to Exchange 2007): Before attempting the restore of a specific Storage Group, the target machine must be set up to mirror that Storage Group’s structure (names and directory paths) as it appeared on the original machine. For example, if a Storage Group contains five individual mailbox databases and originally existed in the root of the C:\ partition, a Storage Group must be established on the target machine with the same name, it must contain five mailbox databases all named the same as the originals, and it must be located in the root of the C:\ partition.
For VSS-based backups (required for Exchange 2010 and later): The target Storage Group/Mailbox Database names, database names, database filenames, and the database file path or directory cannot match the original Storage Groups/Mailbox Databases; they must be different.
NetVault Backup and the Plug‑in for Exchange must be installed on both machines: For this operation to work, NetVault Backup and the plug-in must be installed on both the original Exchange Server and the machine set up as the new target.
Both machines must be added to the NetVault Backup Server as Clients: On the Manage Clients page of the NetVault Backup Server, ensure that both machines have been successfully added as NetVault Backup Clients. For details on adding Clients to the NetVault Backup Server, see the Dell NetVault Backup Administrator’s Guide.
If applicable, change the other options on the Restore and Recovery Options tab.
Click the Security tab, and complete the applicable Authentication Details fields:
Exchange Administrator User Name: By default, this field contains the administrator-level account that was used to back up the original target Exchange Server. You can change this value, but the account named must have the proper backup and restore permissions for the machine that is to serve as the target of the restore.
Password: Enter the password associated with the user name specified in the previous field.
Windows Domain: This field can be left blank, as it is not requirement for recovering to a different Exchange Server.
In Job Name, specify a name for the job if you do not want to use the default setting.
In the Target Client list, select the applicable target machine.
Click Save or Save & Submit, whichever is applicable.
You can monitor progress on the Job Status page and view the logs on the View Logs page. For more information, see the Dell NetVault Backup Administrator’s Guide.
Open the Exchange Management Shell.
Get-Mailbox -Database <SourceDatabase> |where {$_.ObjectClass
Get-Mailbox -Database <SourceDatabase> |where {$_.ObjectClass
| Set-Mailbox -Database <TargetDatabase>
Replace <SourceDatabase> with the name of the original database and <TargetDatabase> with the name of the destination.


Diagnosing and resolving VSS-related issues

Windows® Application Log: In this log, VSS Writers record detailed error messages that are not logged in the NetVault Backup logs. For more information, see Windows Application Log at
Vssadmin and DiskShadow: You can use Vssadmin to list the VSS writers and providers, display their status, and ensure that the VSS Writers that the plug-in depends on are enabled and available. Vssadmin also indicates whether it has encountered any errors. DiskShadow, which is a newer utility, also provides information that might be useful. For more information, see and

Addressing cluster-related issues

To work around this issue, you can use the “machines.dat” file to identify all clients that the NetVault Backup Client needs to be aware of. Each NetVault Backup Client contains this list of known NetVault Backup Clients in the NetVault Backup installation’s etc subdirectory. For example, in a typical Windows® installation, the path is: C:\Program Files (x86)\Dell\NetVault Backup\etc\machines.dat. Adding a known NetVault Backup Client name as an IP address to this file lets the local NetVault Backup Client locate the remote NetVault Backup Client in the network.
If you encounter the “Failed to launch Proxy Master in <NameOfNetVaultBackupClient>” message, Dell recommends that you add all NetVault Backup Clients in an Exchange cluster to the specific NetVault Backup Client that runs the backups. (In the following steps, the DAG contains three NetVault Backup Clients: Client_1, Client_2, and Client_3. The NetVault Backup Client that manages backups is Client_1, so the “machines.dat” file on Client_1 is the one that you would modify.)
On the Service tab, click Stop Service.
In Windows, navigate to the etc directory where NetVault Backup is installed (for example, C:\Program Files (x86)\Dell\NetVault Backup\…).
To ensure that you can restore the original settings if necessary, make a backup copy of the “machines.dat” file (for example, “machines.dat_saved”).
Preferred Address=<IPaddressOfClient_1>
Contact Address=<IPaddressOfClient_1>
Preferred Address=<IPaddressOfClient_2>
Contact Address=<IPaddressOfClient_2>
Preferred Address=<IPaddressOfClient_3>
Contact Address=<IPaddressOfClient_3>
Return to the Service tab in the NetVault Backup Configurator, and click Start Service.
If the Current State remains Running, the changes have been implemented; otherwise, if the state changes to Stopped after a few seconds, complete the following steps:
Check the list to determine whether the nvstatsmngr.exe or nvstatsmngr.exe*32 process is listed.
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