Set-DNSServersScavengingSetting
Description
Enables DNS scavenging and optionally sets the intervals for Scavenging, No-refresh, and Refresh.
Requirements
Must be run on a DNS Server.
Usage
- Validates that the server is a DNS Server.
- Creates the hashtable to splat into the
Set-DnsServerScavengingcmdlet. - Attempts the update to the scavenging settings.
- Validates success and returns the updated scavenging settings if successful.
.\Set-DNSServerScavengingSettings.ps1 -ScavengingInterval 7 -NoRefreshInterval 7 -RefreshInterval 8
Sets the scavenging interval to 7 days, the no-refresh interval to 7 days, and the refresh interval to 8 days.
.\Set-DNSServerScavengingSettings.ps1 -NoRefreshInterval 7 -RefreshInterval 8 -FallbackInterval 20
Sets the no-refresh interval to 7 days and the refresh interval to 8 days. If the DNS server's scavenging interval is set to 0 days, it will be set to 20 days instead.
Parameters
| Parameter | Required | Default | Type | Description |
|---|---|---|---|---|
ScavengingInterval | False | Int | The number of days to set the scavenging interval to. | |
NoRefreshInterval | False | Int | The number of days to set the no-refresh interval to. | |
RefreshInterval | False | Int | The number of days to set the refresh interval to. | |
FallbackInterval | False | 30 | Int | If an interval parameter is not passed in but that interval is currently set to 0 days on the DNS server, that interval will be set to the value of this parameter. |
Output
Microsoft.Management.Infrastructure.CimInstance#root/Microsoft/Windows/DNS/DnsServerScavenging
Log Files:
.\Set-DNSServerScavengingSettings-log.txt
.\Set-DNSServerScavengingSettings-error.txt