Member server
Domain controller
Infrastructure server
IIS server
Windows 2000 services that can be disabled
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Service
Description
Startup
Ramifications if disabled
COM+ Event Services
Allows management of Component Services by providing
automatic distribution of events to subscribing COM
components
Manual
System Event Notification stops working, which means
that logon and logoff notifications will not take place.
Other applications, such as Volume Snapshot service,
will not work correctly.
DHCP Client
Allows the system to automatically obtain IP addressing
information, WINS server information, routing information,
etc., and is required to update records in Dynamic DNS
The system will be unable to obtain an IP address, WINS
Automatic information, etc., from a DHCP server and will need to be
configured with a static address.
DHCP Server
Distributes TCP/IP and WINS information to requesting
clients
Automatic
Distributed File System
Manages volumes that are replicated to other domain
controllers on the network, such as the SYSVOL volume
present on all domain controllers
Users will be unable to access distributed files using the
Automatic Dfs namespace and will instead need to specifically targe
an individual server to get the required information.
Distributed Link Tracking Client
Ensures that shortcuts and OLE links continue to work after
Link tracking will be unavailable. Users on other
the target file is renamed or moved by maintaining links in the Automatic
computers won't be able to track links on this computer.
file system
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DNS Client
Resolves and caches DNS names, allowing the system to
The system will be unable to resolve a name and will be
communicate with canonical names rather than strictly by IP Automatic able to communicate only via IP address. A client may be •
address
unable to communicate with its domain controller.
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DNS Server
Performs the name-to-IP address lookup both for itself and
clients; required on the server to allow clients to use Active
Directory services
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Event Log
Administrators won't be able to view logs, including the
Allows event log messages to be viewed in Event log to assis
Automatic security log, increasing the difficulty of diagnosing
in problem resolution
problems and detecting security breaches.
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File Replication
Used by services to replicate files to different servers on the
File replication will not take place, which can result in an
Automatic
network; used especially by the Dfs service
impaired domain controller.
IIS Admin
Enables administration of an Internet Information Services
Web server
Automatic
Kerberos Key Distribution Center
Allows users with an appropriate client to log on to the
network using Kerberos v5
Automatic Users will be unable to log in to the domain.
Logical Disk Manager
Waits for new drives to be added and passes required
information to the LDM administrative service; required to
ensure dynamic disk information is up to date
Automatic New disks will not be detected by the system.
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Logical Disk Manager Administrative Service
Starts and allows configuration to take place when a new
drive is detected or a partition/drive is configured
Manual
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Netlogon
Allows pass-through authentication to take place between a
The server will be unable to properly participate in the
client and a domain controller or between domain controllers; Automatic domain and will reject NT LAN Manager (NTLM)
required for domain participation
requests.
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Network Connections
Manages the network and dial-up connections for the server,
Manual
including network status notification and configuration
Network configuration will not be possible; new
connections can't be created and services that need
network information may fail.
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NT LM Security Support Provider
Allows clients to log on using NT LAN Manager (NTLM)
authentication
Automatic
Users with versions of Windows prior to Windows 2000
will be unable to log in to the network.
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NT LM Security Support Provider (NTLMSSP)
Allows users to log on to the network using NTLM
Automatic
Users with versions of Windows prior to Windows 2000
will be unable to log in to the network.
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Performance Logs and Alerts
Collects performance data for the computer or other
computers and writes it to a log or displays it on the screen
Manual
Performance information will no longer be logged or
displayed.
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Plug and Play
The system will be unstable and incapable of detecting
Allows an administrator to add hardware to a server and have
Automatic
hardware changes.
the server automatically detect and configure it
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Protected Storage
Protects sensitive information such as private keys from
exposure except to allowed persons and services
Automatic Protected information will be inaccessible.
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Remote Procedure Call (RPC)
Allows processes to communicate internally and across the
network with each other
Automatic The system will not boot. Don't disable this service.
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Remote Registry Service
Provides a mechanism to remotely manage the system
registry
Remote systems will be unable to connect to the local
Automatic registry. Hfnetchk uses this mechanism. Disabling it can
affect the patch utility's operation.
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RPC Locator
Systems that are running third-party utilities looking for
RPC information will be unable to find it. OS components
Provides RPC name services similar to DNS services for IP Automatic
do not use this service, but programs such as Exchange
do.
Security Accounts Manager
Stores account information for local security accounts,
which, when started, allows other services to access the
SAM
Automatic
Services that rely on requests to the SAM database will
not function properly.
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Server
Allows the sharing of local resources such as files and
printers, as well as named pipe communication
Automatic
Resources can't be shared, RPC requests will be denied,
and named pipe communication will fail.
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System Event Notification
Required to record entries in the event logs; notifies COM+
subscribers about logon and power-related events
Automatic
Certain notifications will no longer work. For example,
synchronization won't work, as it depends on connectivity
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information and Network Connect/Disconnect and
Logon/Logoff notifications.
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TCP/IP NetBIOS Helper Service
Required for software distribution in a Group Policy (may be
NetBIOS over TCP/IP clients including Netlogon and
used to distribute patches) and provides support for NetBIOS Automatic Messenger might stop responding. Disabling may also
over TCP/IP and NetBIOS name lookups
affect the ability to share resources.
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W3SVC
Allows the server to share Web content (IIS)
Windows Management Instrumentation Driver
Provides system management information; required to
implement performance alerts using Performance Logs and Manual
Alerts
System management and performance information will be
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unavailable.
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Windows Time (or W32Time)
Uses NTP to keep computers in the domain synchronized;
critical for Kerberos authentication to consistently function
Automatic
Time synchronization won't take place, which may cause
Kerberos identification tokens to be marked as expired
and discarded by a server, resulting in inaccessible
resources.
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Windows Internet Name Service (WINS)
Provides NetBIOS naming services; required for networks
with clients running versions of Windows prior to Windows
2000
Automatic
Older clients will be unable to obtain NT domain
information and use domain resources.
Workstation
The computer will be unable to connect to remote
Provides network connections and communications using the
Automatic
Microsoft Network services
Microsoft Network resources.
Clients will be unable to obtain addressing information,
which could result in a loss of network connectivity.
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Access to resources must be made by IP address and no
Automatic by name. There could be serious implications for Active
Directory lookups.
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IIS can't be administered, and Web, FTP, and other
Internet services will not run.
None; runs only when needed.
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Automatic Clients can't obtain information with a Web browser.
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