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Windows reports share "is unavailable" following migration cutover

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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • ONTAP 9
  • CIFS

Issue

  • When attempting to access CIFS shares, Windows throws the following error:

\\<server_name>\<share_name> is unavailable. If the location is on this PC, make sure the device or drive is connected or the disc is inserted, and then try again. If the location is on a network, make sure you're connected to the network or Internet, and then try again. If the location still can't be found, it might have been moved or deleted.

  • However, accessing \\<server_name>\ directly to enumerate the shares is successful, and the share is confirmed to exist both in the enumerated list and directly from ONTAP
  • In some cases, rather than seeing the above error, the share may be successfully accessed but the incorrect contents are seen
  • A packet trace reveals that the Windows clients are connecting to the share (via SMB2 TREE_CONNECT command), then within the share are attempting to access the path \<server_name>\<share_name> via SMB2 CREATE command

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