如果 DHCP 伺服器資料庫已損毀或遺失,可以將位於 %SystemRoot%\System32\Dhcp 資料夾的伺服器資料庫檔案 (Dhcp.mdb) 取代成相同檔案的備份複本,以便進行復原。
若先前使用 DHCP 管理員來執行備份,您就可以取得位於 %SystemRoot%\System32\Dhcp\Backup 資料夾之伺服器資料庫檔案的備份複本。您也可以從磁帶備份或其他備份媒體還原 Dhcp.mdb 檔案。
若要執行這些程序,您必須是 Administrators 群組成員或是已經委派您適當的權限。
若要還原 DHCP 資料庫的備份複本:
依序按一下 [開始]、[所有程式]、[附屬應用程式],再以滑鼠右鍵按一下 [命令提示字元],然後按一下 [以系統管理員身分執行]。
輸入下列 net stop dhcpserver,然後按 ENTER。
輸入 md c:\olddhcp,然後按 ENTER。
輸入 move %SystemRoot%\system32\DHCP\*.* c:\olddhcp,然後按 ENTER。
輸入 del %SystemRoot%\system32\DHCP\Dhcp.md,然後按 ENTER。
輸入 copy %SystemRoot%\system32\dhcp\backup\jet\new\dhcp.mdb %SystemRoot%\system32\dhcp\dhcp.mdb,然後按 ENTER。
輸入 net start dhcpserver,然後按 ENTER。
Target | Microsoft.Windows.DHCPServer.Library.Database | ||
Parent Monitor | System.Health.AvailabilityState | ||
Category | AvailabilityHealth | ||
Enabled | False | ||
Alert Generate | True | ||
Alert Severity | MatchMonitorHealth | ||
Alert Priority | Normal | ||
Alert Auto Resolve | True | ||
Monitor Type | Microsoft.Windows.3SingleEventLog3StateUnitMonitorType | ||
Remotable | True | ||
Accessibility | Public | ||
Alert Message |
| ||
RunAs | Microsoft.Windows.DHCPServer.Library.ActionAccount |
<UnitMonitor ID="Microsoft.Windows.DHCPServer.Library.Database.UnitMonitor.DBIntegrity" Accessibility="Public" Enabled="false" Target="Microsoft.Windows.DHCPServer.Library.Database" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.3SingleEventLog3StateUnitMonitorType" ConfirmDelivery="false" RunAs="Microsoft.Windows.DHCPServer.Library.ActionAccount">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Microsoft.Windows.DHCPServer.Library.Database.UnitMonitor.DBIntegrity_AlertMessageResourceID">
<AlertOnState>Warning</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>MatchMonitorHealth</AlertSeverity>
</AlertSettings>
<OperationalStates>
<OperationalState ID="FirstEventRaised" MonitorTypeStateID="FirstEventRaised" HealthState="Error"/>
<OperationalState ID="SecondEventRaised" MonitorTypeStateID="SecondEventRaised" HealthState="Warning"/>
<OperationalState ID="ThirdEventRaised" MonitorTypeStateID="ThirdEventRaised" HealthState="Success"/>
</OperationalStates>
<Configuration>
<FirstComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</FirstComputerName>
<FirstLogName>System</FirstLogName>
<FirstExpression>
<And>
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<XPathQuery Type="String">PublisherName</XPathQuery>
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<Operator>Equal</Operator>
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</Expression>
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</Expression>
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<SecondLogName>System</SecondLogName>
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<ThirdComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</ThirdComputerName>
<ThirdLogName>System</ThirdLogName>
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</Configuration>
</UnitMonitor>