Troubleshooting NFS Account Mapping

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Applies To: Windows Server 2008, Windows Storage Server 2008 R2

You can troubleshoot NFS account mapping by performing the tasks listed under each troubleshooting category below.

Table 13. NFS Account Mapping Troubleshooting Tasks

Category

Perform this task

Duplicate uidNumber attribute values in AD DS or AD LDS

View all user objects that have duplicate uidNumber attribute values by running the Windows PowerShell script described in the "How to Find User Objects with Duplicate uidNumber Attribute Values Using the Get-ADUser Cmdlet" section in NFS Account Mapping Task Reference.

Duplicate gidNumber attribute values in AD DS or AD LDS

View all group objects that have duplicate gidNumber attribute values by running the Windows PowerShell script described in the "How to Find Group Objects with Duplicate gidNumber Attribute Values Using the Get-ADGroup Cmdlet" section in NFS Account Mapping Task Reference.

File and folder access

View the NFS share configuration as described in the "Server for NFS Resource Management Tasks" section in NFS Account Mapping Task Reference:

  • Windows Explorer

  • Share and Storage Management console

  • Nfsshare.exe

  • Nfsfile.exe

Services for NFS account mapping configuration

View the NFS account mapping configuration for:

  • All NFS identity mapping sources using Nfsadmin.exe as shown in the following example:

    Nfsadmin.exe mapping
  • AD DS and AD LDS as described in the following sections in NFS Account Mapping Task Reference:

    • "NFS User and Group Mapping Management Using ADSI Edit."

    • "How to View NFS User Account Mapping for an Individual User Using Get-ADUser Cmdlet."

    • "How to View NFS User Account Mappings for Multiple Users Using Windows PowerShell Cmdlets."

    • "How to View NFS Group Account Mapping for an Individual Group Using Get-ADGroup Cmdlet."

    • "How to View NFS Group Account Mappings for Multiple Groups Using Windows PowerShell Cmdlets."

  • Unmapped UNIX User Access as described in the section "How to View Unmapped UNIX User Access Configuration".

AD LDS verbose logging

Enable logging of account mapping failures to the Windows Event Log by following the procedures in Debug Notes for NFS Account Mapping Problems, and then view mapping failures in the Windows Event Log.