Active Directory Conflict Resolution
Multimaster replication provides better fault
tolerance because it doesn©t rely on one master copy.
Nevertheless, certain situations cause conflicts that the Active
Directory must resolve. Source: Windows & .NET Magazine, Sept. 1999
Authoritative Restore of Active Directory and Impact on Trusts and Computer Accounts
Microsoft Knowledge Base Article: 216243 - The Authoritative Restore feature allows an administrator to select specific objects or subtrees of objects from an archived Active Directory database and restore them to a domain controller. Note that doing so causes Active Directory
replication to replicate this restored state (the System State) of objects, overwriting the copies currently held on all domain controllers within the domain. The restored objects receive a USN greater than the current set of domain objects.
Active Directory Updates
Explains how Active Directory Replication updates changes on domain controllers while maintaining data integrity, and how it uses a connection topology that optimizes network connections.
Best
Practices for Sysvol Maintenance
Microsoft Knowledge Base Article 324175 - The System Volume (Sysvol)
provides a default Active Directory location for files that must be
shared for common access throughout a domain.
Building
Site Link Bridges
In the first two parts of this series ( Using Sites in Windows 2000
and Inter-site Replication ), I've explained how breaking your
Active Directory into sites can reduce replication-related network
traffic over slow WAN links. Source: EarthWeb
(Oct 30, 2000)/p>
Configuring
Sites Within Active Directory: Troubleshooting Active Directory
Replication
Selecting a preferred bridgehead server, and other solutions to poor
performance in Active Directory replication. Source: EarthWeb
(Oct 30, 2000)
Directory Replication in Windows 2000, Wednesday, April 26, 2000
Microsoft Support WebCast This is a four part series addressing Active Directory Replication in Windows 2000. Part
1:
Part 2:
Part 3:
Part 4:
Dynamic Update and Secure Dynamic Update
Sample chapter from the Windows 2000 Resource Kit. Discusses new features of Windows 2000 DNS, such as Active Directory integration, multimaster replication, dynamic and secure dynamic update, and aging and scavenging. Also discusses integration with WINS and interoperability with
other DNS servers. Source: Microsoft.com
How Conflicts Are Resolved in Active Directory Replication
Microsoft Knowledge Base Article: 230123 - Active Directory in Windows 2000 uses a replication model called "multi-master loose consistency with convergence." All computers that provide multi-master updates must deal with potential conflicts that may arise when concurrent updates
originating on two separate master replicas are inconsistent. This
article provides a basic overview of how Active Directory deals with
these conflicts.
How to Disable or Enable Active Directory Replication in Windows
2000
Microsoft Knowledge Base Article: 321153 - In Windows 2000, you may
have to disable replication on a particular domain controller to
isolate that server for testing or to run restore processes. With
this functionality, you can fully test changes on a destination
domain controller before you implement them in your organization. It
is a good idea to do this kind of testing when you implement schema
changes, security changes, Group Policy changes, and authoritative
restore procedures
How
to Disable the Knowledge Consistency Checker Inter-Site Topology
Generation for All Sites
Microsoft Knowledge Base Article: 245610 - The Knowledge Consistency Checker (KCC) is a Windows 2000 component that automatically generates and maintains the intra-site and inter-site replication topology.
You can disable the KCC's automatic generation of intra-site or
inter-site topology management, or both.
How to Modify the Default Intra-Site Domain Controller Replication Interval
Microsoft Knowledge Base Article: 214678 - This article describes how to modify the default intra-site domain controller replication interval.
How to Optimize Active Directory Replication in a Large Network
Microsoft Knowledge Base Article: 244368 - This article describes how to optimize Active Directory replication in large network configurations.
How to Rename an Object After a Replication Collision Has Occurred
Microsoft Knowledge Base Article: 297083 - This article describes how to rename an object after a replication collision has
occurred.
HOW TO: Use DNSLint to Troubleshoot Active Directory Replication Issues
Microsoft Knowledge Base Article: 321046 - This article describes how to use the DNSLint utility to troubleshoot Active Directory replication issues.
HOW TO: Use the Replication Monitor to Determine the Operations Master and Global Catalog Roles
Microsoft Knowledge Base Article: 297230 - This article describes how to use the Active Directory Replication Monitor (ReplMon.exe) tool to determine the servers that hold the operations master roles in a forest as well as the domain controllers and global catalog servers for the fo
Initiating Replication
Between Active Directory Direct Replication Partners
Microsoft Knowledge Base Article: 232072 - Describes four ways of initiating replication between direct replication partners.
MSDSS Deployment: Implementing Synchronization and Migration
This paper provides a planning guide for deploying Microsoft Directory Synchronization Services
(MSDSS). Source: Microsoft.com (June 27,2000)
MSDSS Deployment: Understanding Synchronization and Migration
This paper introduces Microsoft Directory Synchronization Services (MSDSS) to information technology (IT) professionals and business analysts who are responsible for the overall architecture, technical design, development, and deployment of directory solutions. Source: Microsoft.com (June 27,2000)
Network Performance Is Slow and Directory Services Are Unstable with KCC in Large Domain
Microsoft Knowledge Base Article: 289185 - In a large Windows 2000-based domain that spans many sites, when you use the Knowledge Consistency Checker (KCC)
to automatically generate and maintain the intra-site and inter-site
replication topology, network performance may be slow
Replication Topology
Explains how Active Directory Replication updates changes on domain controllers while maintaining data integrity, and how it uses a connection topology that optimizes network connections.
Restricting Active Directory Replication Traffic to a Specific Port
Microsoft Knowledge Base Article: 224196 - By default, Active Directory replication over RPC (Remote Procedure Calls) takes place dynamically over an available port via the RPC Endpoint Mapper (RPCSS) using port 135; the same as Microsoft Exchange.
Replication Schedule for Intra-Site Replication Partners
Microsoft Knowledge Base Article: 232264 - In the Active Directory Sites and Services administrative tool, the Active Directory replication schedule does not specify how often pending changes are replicated. Instead, this period is controlled by the registry.
Synchronizing Windows 2000 Active Directory with Novell Directories
Microsoft Directory Synchronization Services (MSDSS), included with Services for NetWare 5, makes Active Directory synchronization with NDS and NetWare 3.x binderies possible. Source: Microsoft.com
The Role of the Inter-Site Topology Generator in Active Directory Replication
Microsoft Knowledge Base Article: 224815 - The Knowledge Consistency Checker (KCC) is an Active Directory component that is responsible for the generation of the replication topology between domain controllers. This article describes the role of one server per site
Troubleshooting
Active Directory Replication
In the first three parts of this series, I explained the importance
and techniques of breaking large organizations into sites for the
purpose of Active Directory replication. As you've no doubt learned,
a considerable amount of planning should go into dividing your
network, because doing so can be complicated. Source: EarthWeb
(Dec 2000)
Urgent Replication Triggers in Windows 2000
Microsoft Knowledge Base Article: 232690 - The majority of Active Directory replication in Windows 2000 takes place at predefined intervals. However, select changes to objects in Active Directory must take place immediately to allow for proper administration of a domain. This article
describes Urgent Replication events as they pertain to Windows 2000 domains, Windows 2000 and Microsoft Windows NT 4.0 mixed-domain environments, and password changes.
Using
Sites in Windows 2000
When dealing with a large enterprise-level Active Directory
structure, one of the more important concepts is replication .
Replication is the process of sharing Active Directory updates
between domain controllers. Many challenges are involved in
replicating database changes across a large enterprise. Source: EarthWeb
(Oct 8, 2000)
Using
the Replication Monitor
In Part 1 of this series, I discussed the fact that every once in a
while it's possible for your Active Directory to develop
inconsistencies or various other problems. If these problems are
replicated to other domain controllers, then a minor problem can
quickly turn into a major one. Source: EarthWeb (Dec 21,
2000)
Using Repadmin.exe to Troubleshoot Active Directory Replication
Microsoft Knowledge Base Article: 229896 - Repadmin.exe is a Microsoft Windows 2000 Resource Kit tool that is available in the Support Tools folder on the Windows 2000 CD-ROM. It is a command-line interface to Active Directory replication. This tool provides a powerful
interface into the inner workings of Active Directory replication, and is useful for troubleshooting Active Directory replication problems. This article describes the basic use of the Repadmin.exe
tool.
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