Why connection to SMB share cannot be established?
This error is reported by the legacy SMB service: releases before 4.5.0 on Windows, releases before 4.6.0 on Linux, Linux deployments that select the smb_legacy module, and Windows deployments with USE_OPSWAT_SMB_SERVICE=false. The SMB service shipped with 4.6.0 for Linux reports the messages listed in the troubleshooting table of Add an SMB-Compatible unit in Linux deployments.
Issue:
MetaDefender Storage Security connection with SMB fails with error:
smbprotocol.exceptions.SMBOSError: [Error 0] [NtStatus 0xc00000c9] Unknown NtStatus error returned 'STATUS_NETWORK_NAME_DELETED': '\\[IP_HOSTNAME]\ftp\CN'
Description
NtStatus 0xc00000c9corresponds toSTATUS_NETWORK_NAME_DELETED.This error typically occurs when the network share or resource you are trying to access has been removed, deleted, or is temporarily unavailable.
It can also happen if the SMB session has become stale (e.g., the server closed the connection due to timeout, network issues, or a manual server-side operation).
Possible Causes:
The network share
\\[IP_HOSTNAME]\ftp\CNwas deleted or unshared on the server. The SMB server might be up but the whole path might be unshared.The server at
[IP_HOSTNAME]rebooted, crashed, or restarted its SMB service.There is a network connectivity issue between our SMB service and customer’s SMB server.
Permissions on the share changed, making it inaccessible.
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