14 May 2008

Active Directory Maximum Limits

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  • Maximum Number of Objects

  • Maximum Number of Security Identifiers

  • Group Memberships for Security Principals

  • FQDN Length Limitations

  • File Name Length Limitations

  • Organizational Unit Name Length

  • Maximum Number of Group Policy Objects Applied

  • Maximum Number of Accounts per LDAP Transaction

  • Recommended Maximum Number of Domains in a Forest

  • Recommended Maximum Number of Domain Controllers in a Domain