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Determine Service Pack Levels

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Applies To: Windows Server 2008, Windows Server 2008 R2

Before preparing your infrastructure for upgrade, all Windows 2000–based domain controllers in the forest must be running Windows 2000 Service Pack 4 (SP4). Use the repadmin/showattr command to perform an inventory of the operating system and service pack revision level on all domain controllers in a particular domain.

Membership in the local Administrator account, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (https://go.microsoft.com/fwlink/?LinkId=83477).

To determine the operating system and service pack revision level on all domain controllers

  • For each domain in the forest, type the following command at the command line of a computer that has the support tools for Windows Server 2008 installed, and then press ENTER:

    repadmin /showattr <domain_controller_in_target_domain> ncobj:domain: /filter:"(&(objectcategory=computer)(primaryGroupID=516))”/subtree /atts:operatingSystem,operatingSystemVersion,operatingSystemServicePack

    The following text is sample output from this command:

    DN: CN=NA-DC-01,OU=Domain Controllers,DC=company,DC=com
    1> operatingSystem: Windows Server 2008 Standard
    1> operatingSystemVersion: 6.0 (6001)
    1> operatingSystemServicePack: Service Pack 1, v.624

Note

The repadmin /showattr command does not show any hotfixes that might be installed on a domain controller.

Parameter Description

repadmin /showattr

Displays the attributes on an object.

domain_controller_in_target_domain

Specifies the fully qualified domain name (FQDN) of the domain controller.

/filter:"(&(objectcategory=computer)(primaryGroupID=516))” /subtree /atts:operatingSystem,operatingSystemVersion,operatingSystemServicePack

Filters the output to display the object's operating system, operating system version, and operating system service pack.

Upgrade domain controllers to the appropriate service pack as necessary.