The specified network name is no longer available – system error 64 has occurred

The following error messages can occur when establishing network connections or accessing shared folders in the network .

The specified network name is no longer available

The exact error message is:

The network drive could not be connected because the following error occurred:
The specified network name is no longer available

This error message comes from Windows Explorer when connecting a network drive .

On the next picture you can see the same error in a command prompt of a Windows XP system .

System error 64 occurred

Here the error message is a little different, but the content is the same problem.

System error 64 occurred.
The specified network name is no longer available.

the solution of the problem

However, the solution to this problem is quite simple. It is because you want to connect from one Windows PC to another Windows PC via SMB 1.0 (Server Message Block) . Windows XP still works with SMB 1, but SMB is deactivated by default due to numerous security gaps in the new Windows 10 versions .

However, if you now have to establish a connection from a Windows XP PC to a Windows 10 PC or a Windows server, you must reactivate SMB 1.0 on the target device . The quickest way to do this is to call

Optional features

via the Windows Run dialog (Windows key + “R”).

Support for SMB 1.0 CIFS file sharing

Here you have the

Support for SMB 1.0 / CIFS file sharing

Activate again and you can already access a Windows 10 or Windows server from a Windows XP PC . However, you should be aware that using SMB 1.0 is a significant security risk. For this reason, this should only be done in exceptional cases.

Finally, you will find further help for other Windows error messages here.

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