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