Event ID 4013 — NFS LDAP Connection

Updated: January 27, 2011

Applies To: Windows Server 2008 R2


Server for NFS enables you to control access by users and groups to Services for Network File System (NFS) resources. A connection to an Light Directory Access Protocol (LDAP) server allows Server for NFS to query Windows-UNIX user account mappings and grant file access to a user.

Event Details

Product: Windows Operating System
ID: 4013
Source: NfsService
Version: 6.1
Message: Server for NFS could not connect to the Lightweight Directory Access Protocol (LDAP) server for domain <%1>. Without a connection to the LDAP server, Server for NFS cannot query for Windows-to-UNIX user account mappings and cannot grant file access to any user. Verify that Server for NFS is configured to use the appropriate LDAP server using the Nfsadmin command-line tool.


Configure Services for NFS to retrieve identity mapping data from Active Directory

To configure Services for Network File System (NFS) to retrieve identity mapping data:

  1. Identify the domain that the LDAP service is running on.
  2. Open an elevated Command Prompt window. Click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
  3. Type nfsadmin mapping config adlookup=yes addomain=domainname to enable Services for NFS to retrieve identity mapping data.


To verify that Services for Network File System (NFS) is properly configured for retrieving Windows-UNIX identity mappings from the LDAP service:

  1. Open a command prompt with elevated privileges and type nfsadmin mapping config.
  2. Verify that the Mapping Server field in the list displays your installed LDAP service.

Related Management Information

NFS LDAP Connection

File Services

Community Additions