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Microsoft windows 2000 DNS manual Aging and Scavenging Parameters for Servers, Server Parameter

Models: windows 2000 DNS

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Aging and Scavenging Parameters for Servers

The table below lists the server parameters that affect when records are scavenged. You set these parameters on the server.

Aging and Scavenging Parameters for Servers

Server Parameter

Description

Configuration Tool

Notes

Default no-refresh	This value specifies the no-
interval	refresh interval that is used
	by default for an Active
	Directory–integrated zone
	created on this server.
Default refresh interval	This value specifies the
	refresh interval that is used
	by default for an Active
	Directory–integrated zone
	created on this server.
Default Enable	This value specifies the
Scavenging	Enable Scavenging
	parameter that is used by
	default for an Active
	Directory–integrated zone
	created on this server.

DNS console (shown as No-refresh interval) and Dnscmd.exe

DNS console (shown as Refresh interval) and Dnscmd.exe

DNS console (shown as Enable scavenging)and Dnscmd.exe

By default, this is 7 days.

By default, this is 7 days.

By default, scavenging is disabled.

Enable scavenging	This flag specifies whether
	the DNS server can perform
	scavenging of stale records.
	If scavenging is enabled on
	a server, it automatically
	repeats scavenging as often
	as specified in the
	Scavenging Period
	parameter.
Scavenging Period	This period specifies how
	often a DNS server
	performs scavenging.

DNS console, Advanced View (shown as Enable automatic scavenging of stale records) and Dnscmd.exe

DNS console, Advanced View (shown as Scavenging Period) and Dnscmd.exe

By default, scavenging is disabled.

By default, this is 7 days.

Windows 2000 White Paper

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Microsoft windows 2000 DNS Aging and Scavenging Parameters for Servers, Server Parameter, Configuration Tool, Description

Contents

White Paper Operating SystemAbstract Windows 2000 DNS1999 Microsoft Corporation. All rights reserved INTRODUCTION CONTENTSCONTENTS WHITE PAPERDESIGNING A DNS NAMESPACE FOR THE ACTIVE DIRECTORY DESIGNING A DNS NAMESPACE FOR THE ACTIVE DIRECTORYGLOSSARY SUMMARYGLOSSARY SUMMARYPage DNS FUNDAMENTALS Standards and Additional Reading Name Services in WindowsHistory of DNS The Hierarchy of DNS Domain Names The Structure of DNSType of Organization DNS Domain NameType of Organization DNS Domain NameData DescriptionClass TypeReplicating the DNS database Querying the Database NEW FEATURES OF THE WINDOWS 2000 DNSThe following figure shows an example of both types of queries Updating the DNS Database Active Directory Storage and Replication Integration User Group Organizational Unit DnsZone DnsNode The Replication Model Controlling Access to ZonesZone Type Conversions Incremental Zone Transfer Dynamic Update The update sequence consists of the following steps DHCP Server Considerations Mixed EnvironmentDHCP Client Dealing with Name Conflicts Statically Configured ClientRAS Client Client ReregistrationEstablishing a security context by passing security tokens Secure Dynamic Update Policy DnsUpdateProxy Group Reserving Names DNS Admins GroupAging and Scavenging Which zones can be scavenged DefaultEnableScavenging Configuration ToolAging and Scavenging Parameters for Zones Zone ParameterDescription Aging and Scavenging Parameters for ServersServer Parameter Configuration ToolThe Figure below shows the life span of a scavengeable record The EnableScavenging parameter is set to 1 on the server Interoperability Considerations Unicode Character SupportThe Domain Locator Call IP/DNS compatible Locator Collect the following info DNS Domain Name Domain GUID Site NameFinish Name or Domain GUID?DNS Record Registration and Resolver Requirements ldap.tcp.gc.msdcs.DnsForestName ldap.tcp.dc.msdcs.DnsDomainNameldap.tcp.SiteName.sites.dc.msdcs.DnsDomainName ldap.tcp.pdc.msdcs.DnsDomainNamekerberos.tcp.dc.msdcs.DnsDomainName IP/DNS DC Locator Algorithm Discovering Site specific DCs Caching Resolver Fully-Qualified Query Unqualified Single-Label Query Using Global Suffix Search OrderUnqualified Multi-Label Query Using Primary and Per-adapter Domain NamesVALUE CONFIGURATION PARAMETERThe Unqualified Single-Label Query Scenarios Negative Caching The Fully-Qualified Query ScenariosMicrosoft Implementation of Negative Caching DNS Server List ManagementAdministrative Tools DESIGNING A DNS NAMESPACE FOR THE ACTIVE DIRECTORY Interoperability IssuesQueries/sec Server configurationupdates/sec DNS Server PerformanceHardware components Server Capacity PlanningSizing Choosing Names proxy unaware supporting LAT Local Address Table Expose only a public portion of the namespace to the Internet zone, that is, zzz.com., must also contain the zones containing all internal and external names of the merged companies yyy.com Windows 2000 White Paperfirst.yyy.com corporationPage Windows 2000 White Paper Windows 2000 White Paper corporation The solution of company YYY requires maintenance of the PAC file Per-Adapter Naming Type Character Restrictions Maximum Length Name ServiceNetBIOS name Full computer nameIntegrating ADS with Existing DNS Structure domain name and sites. Active Directory domain name Upgrade to Windows Migration to Windows 2000 DNSWill your ADS overlap your DNS name Deploying DNS to Support Active Directory SUMMARYGLOSSARY ADS Integration IXFR Dynamic Update and Secure Dynamic Update IXFR For More InformationUCS-2-Also known as Unicode is a character encoding protocol