# Project Active Directory Connection Failed Project Server

- Link: https://sharepointtechnicalsupport.com/2017/03/12/project_active_directory_connection_failed/
- Published: 2017-03-12T15:05:53+05:30
- Author: Deviprasad Panda

### **Element ID / Rule name:**

Project_Active_Directory_Connection_Failed

### **Summary:**

∗ This monitor indicates that Microsoft Project Web App could not access the Active
Directory directory service.

∗ When an administrator browses to the “Active Directory Enterprise Resource Pool
Synchronization” or “Add or Edit Group” page by using Project Web App, Project Web
App checks the current availability of the Active Directory forests. This check 
determines whether the Find Group button on those pages is enabled.

∗ If the Find Group button is available, administrators can use it to choose which
Active Directory group to use for synchronization.

### **Cause:**

One or more of the following situations might be the cause:

∗ The Microsoft Project Server application server is using a SharePoint Service 
Account (SA) account that does not have read access to Active Directory.

∗ The Project Server application server may no longer be joined to an Active Directory
domain.

∗ The Project Server application server does not currently have network access to
the domain.

∗ Ports required for Project Server and Active Directory to communicate are not 
open between the Project Server application server and the Active Directory store.
This can occur if a firewall is configured to block a port described in the following
list:

**389/UDP** – LDAP: LDAP is the Lightweight Directory Access Protocol that is designed
to provide a standard way to access directory services. LDAP is the primary protocol
used to access an Active Directory store.

**636/TCP** – LDAP over SSL: When Secure Sockets Layer (SSL) is enabled, the LDAP
data that is transmitted and received is encrypted.

**3268/TCP** – Microsoft Global Catalog: Active Directory global catalogs listen
on this port.

**3269/TCP** – Microsoft Global Catalog with LDAP/SSL: Microsoft global catalog 
SSL connections listen on this port.

### **Possible resolutions include:**

∗ Verify that the service account used by the SA used by the Project Server application
server is a domain account that has read access to Active Directory.

∗ Verify that the Project Server application server is joined to an Active Directory
domain.

∗ Verify that the Project Server application server has network access.

∗ Verify that the ports listed in the previous section are open between the Active
Directory store and the Project Server application server.

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