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 | ||
Category | EventCollection | ||
Enabled | True | ||
Alert Generate | True | ||
Alert Severity | Warning | ||
Alert Priority | Normal | ||
Remotable | True | ||
Alert Message |
| ||
Event Log | System |
ID | Module Type | TypeId | RunAs |
---|---|---|---|
DS | DataSource | Microsoft.Windows.EventProvider | Microsoft.Windows.DHCPServer.Library.ActionAccount |
GenerateAlert | WriteAction | System.Health.GenerateAlert | Default |
WriteToDB | WriteAction | Microsoft.SystemCenter.CollectEvent | Default |
WriteToDW | WriteAction | Microsoft.SystemCenter.DataWarehouse.PublishEventData | Default |
<Rule ID="Microsoft.Windows.DHCPServer.Library.Database.DBIntegrity.Warning.Rule" Enabled="true" Target="Microsoft.Windows.DHCPServer.Library.Database" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="DS" RunAs="Microsoft.Windows.DHCPServer.Library.ActionAccount" TypeID="Windows!Microsoft.Windows.EventProvider">
<ComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</ComputerName>
<LogName>System</LogName>
<Expression>
<And>
<Expression>
<Or>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">Microsoft-Windows-DHCP-Server</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">DHCPServer</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</Or>
</Expression>
<Expression>
<Or>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">1010</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">1014</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">1015</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</Or>
</Expression>
</And>
</Expression>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectEvent"/>
<WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishEventData"/>
<WriteAction ID="GenerateAlert" TypeID="Health!System.Health.GenerateAlert">
<Priority>1</Priority>
<Severity>1</Severity>
<AlertMessageId>$MPElement[Name="Microsoft.Windows.DHCPServer.Library.Database.DBIntegrity.Warning.Rule.AlertMessage"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Data/EventDescription$</AlertParameter1>
</AlertParameters>
<Suppression>
<SuppressionValue>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</SuppressionValue>
</Suppression>
</WriteAction>
</WriteActions>
</Rule>