Overview#

MaxConnections is a setting that in LDAP policy in Active Directory that limits number of simultaneous LDAP connections that a Domain Controller will accept. 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

---

• [#1] - How to view and set LDAP policy in Active Directory by using Ntdsutil.exe - based on information obtained 2017-05-17-
• [#2] - 3.1.1.3.4.6 LDAP Policies - based on information obtained 2020-04-20
• [#3] - MaxConnections - based on information obtained 2020-04-30