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NetVault Plug-in for Exchange 11.0 - 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

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.
2
On the Service tab, click Stop Service.
3
In Windows, navigate to the etc directory where NetVault Backup is installed, for example, C:\Program Files (x86)\Dell\NetVault Backup\….
4
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.”
5
Networks=<IPaddressOfClient_1>
Preferred Address=<IPaddressOfClient_1>
Contact Address=<IPaddressOfClient_1>
Networks=<<IPaddressOfClient_2>
Preferred Address=<IPaddressOfClient_2>
Contact Address=<IPaddressOfClient_2>
Networks=<IPaddressOfClient_3>
Preferred Address=<IPaddressOfClient_3>
Contact Address=<IPaddressOfClient_3>
9
Return to the Service tab in the NetVault Backup Configurator, and click Start Service.
10
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:
c
Check the list to determine whether the nvstatsmngr.exe or nvstatsmngr.exe*32 process is listed.

Troubleshooting other issues

Microsoft Exchange Replication Service (LCR and CCR environments)
Volume Shadow Copy (VSS backups) — started automatically by Microsoft Software Shadow Copy Provider
Ensure that Exchange databases are mounted. Also, when performing backups of passive data, verify that the passive copies in CCR and LCR environments have a state of Healthy in the Exchange Management Console. If the passive copy has a status of Failed, the backup fails. The Failed passive copy can be returned to a Healthy state by deleting it and updating it with the Update-StorageGroupCopy command. For more information on this command, see http://technet.microsoft.com/en-us/library/aa998853.aspx.
Even if a specific database has been dismounted, if the This database can be overwritten by a restore option is not selected on the Database tab of the Store Properties dialog box, this error occurs.
Open the Manage Devices page, select the backup media, and click Scan. NetVault Backup stores index information for backup jobs in two locations: in the NetVault Database and on the media targeted by the backup. When you scan the backup media, the index information is added to the NetVault Database. To verify that the information was added, open the Manage Job Definitions page, and locate the specific job. If you can run the job now, the scan process has corrected the problem.
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