ERROR_INVALID_SHARENAME 0x800704BF

Error code 1215 · HRESULT 0x800704BF

WINDOWS

The format of the specified share name is invalid.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_INVALID_SHARENAME is a Windows error code (system error 1215, returned as HRESULT 0x800704BF) reported by Windows. Its official message is: “The format of the specified share name is invalid.”

How to fix ERROR_INVALID_SHARENAME

  1. Test connectivity to the remote host first (ping, then the exact port)
  2. Check firewall, VPN and proxy rules for the involved process
  3. Run 'ipconfig /flushdns' and 'netsh interface ip reset', then reboot

Related errors

ERROR_INVALID_NETNAMEERROR_INVALID_PASSWORDNAMEERROR_INVALID_SERVICENAMEERROR_FILE_CORRUPTERROR_DISK_CORRUPTERROR_TIMEOUTERROR_INSTALL_FAILUREERROR_INSTALL_ALREADY_RUNNING

Source: Microsoft WinError.h

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