Active Directory Maximum Limits

Click here to view the page

• 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