Error: The Transport Connection Is Now Disconnected (Network Connection Failed)

IT Support Forum Forums Windows Windows 7 Networks, Firewall and Sharing Error: The Transport Connection Is Now Disconnected (Network Connection Failed)

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  • #2035

    Webmaster
    Keymaster

    You get the following error in the Windows Event log:

    Source: Microsoft-Windows-SMBClient
    Event ID: 30804
    Event Log: Microsoft-Windows-SmbClient/Connectivity

    The network connection failed.

    Error: The transport connection is now disconnected.

    This indicates a problem with the underlying network or transport, such as with TCP/IP, and not with SMB. A firewall that blocks port 445 or 5445 can also cause this issue.

    This is often because either there’s a network issue stopping the communication (as stipulated in the error guidance) or that the computer is too busy to accept the request (such as if there is a backup occuring that’s using all the resources).

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