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ECS: How to mount NFS share on Windows client

Summary: How to mount NFS share on Windows client.

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Article Content


Steps below are showing how to mount an NFS share on Windows client.

1.) Install the NFS Client (Services for NFS) what can be enabled from Windows Control Panel:
  • Open Control Panel and search for "Turn Windows features on or off"
  • Check the option "Services for NFS," then click OK.

2.) On the ECS side, configure the NFS share. See the ECS Administration Guide for what can be downloaded from

3.) Enable Write Permissions for the Anonymous User:
With the default options, a user has read permissions when mounting an ECS NFS share using the anonymous user. We can give the anonymous user write permissions by changing the UID and GID that it uses to mount the share.

To change the UID and GID we must make a simple change to the Windows registry by performing the following steps:

  • Open regedit by typing it in the search box end pressing Enter.
  • Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ClientForNFS\CurrentVersion\Default.
  • Create a new New DWORD (32-bit) Value inside the Default folder named AnonymousUid and assign the UID 0 (or another UID/GID if configured in ECS).
  • Create a new New DWORD (32-bit) Value inside the Default folder named AnonymousGid and assign the GID 0 (or another UID/GID if configured in ECS).
  • Restart the NFS client from Windows CMD line (nfsadmin client restart) or reboot the machine to apply the changes.


4.) Mount the NFS share on your windows CMD line:
# mount -o "nolock,sec=sys" x.x.x.x:/<Namespace name you used>/<Bucket name you used>  <Windows path>:
C:\Users\bob>mount -o "nolock,sec=sys" x.x.x.x:/test-nfs-ns/test-nfs-bucket y:
Note: x.x.x.x = Public IP of ECS node or load balancer.

5.) Please be noted that each time when you Windows restarts, you need to re-mount the NFS share by default.
There are different workarounds available but this is not ECS related by nature.
One example below:

Additional Information

Article Properties

Affected Product

ECS Appliance


ECS Appliance, Elastic Cloud Storage

Last Published Date

07 Mar 2023



Article Type

How To