Overview#

MaxConnections (Microsoft Active Directory) is a setting that limits number of simultaneous LDAP connections that a Domain Controller will accept. [1]

If a connection comes in after the Domain Controller reaches MaxConnections, the Domain Controller drops another connection.

MaxConnections can be set using ntdsutil.exe

More Information#

There might be more information for this subject on one of the following:

• LDAP policy in Active Directory
• MAXIMUM_LOGINS_EXCEEDED

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• [#1] - How to view and set LDAP policy in Active Directory by using Ntdsutil.exe - based on information obtained 2017-05-17-