Preferred network rules – specify IP ranges other than automatic DNS resolution receives
| KB ID: | 3140 |
| Product: | Veeam Backup & Replication |
| Version: | Any |
| Published: | 2020-04-06 |
| Last Modified: | 2021-07-23 |
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Challenge
In the preferred network rules, you need to specify IP ranges for Microsoft Hyper-V server or Off-host backup proxy other than ranges received by automatic DNS resolution.
Cause
By default Veeam Backup & Replication stores only the IP addresses for Hyper-V hosts that are resolved by DNS.
Solution
The following registry setting will enable Veeam Backup & Replication to collect IP addresses from all NICs on the Microsoft Hyper-V server(s) or Off-host backup proxy.
Key Location: HKLM\SOFTWARE\Veeam\Veeam Backup and Replication\
Value Name: HvCollectAllHostAddresses
Value Type: DWORD
Value Data: 1
Rescan the Hyper-V Hosts after the registry value is created on the Veeam Backup & Replication server to update the configuration database.
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