[stevebenson2023]

Hello. With the advent of Microsofts removal of the SMB1 client protocol from Win11 PCs we'll be losing our ability to drop CNC jobs from our network (Seiki PCs) to approx 12 Mazak milling machines.
These Mazaks are linked via ethernet and all have static IPs and can be accessed from any PC on the network via their C drives.
Currently their is a workaround on the Win 11 PCs by re-enabling the SMB1 Client Windows feature. But on every restart of these PCs SMB1 access is lost and you have to re-enable the feature again. At some point this feature is going to be switched off altogether by Microsoft.
I'm looking at alternative ways of dropping jobs onto the Mazaks, have looked at FTP as Win95 has a built in FTP server but it needs installing via the Network services Client additions. This is where I come unstuck as its asking for an installation disk and the file "idnpndi.dll". I've since found out this is part of an update file "winnfs.inf". I'm struggling to find a copy of this.
Any ideas or alternative solutions?

[machinehop5]

...this maybe a Anti Virus problem that is removing the file.... check Quarantined files and rules.

DJ

[stevebenson2023]

Hi machinehop5, thanks for the quick reply. There's no AV on the machines and I've gone through all of the downloaded installation iso's, updates and service packs for Win95 but cannot find any of the files needed. Another workaround available is to go back to Win10 as not all of our Seiki terminals which drop the file onto the machines have been upgraded to Win11 yet. cheers SB

[stevebenson2023]

OK, so the consensus is that the CNC machines should be segregated using their own subnet and/or VLAN to keep them away from other networked resources. With SMB1 they are a threat but none have internet access as they only communicate with the central Seiki/DNC terminals which are used to drop the programs for engineering.
The Seiki terminals have been through a process of being upgraded or replaced with Win11 machines, these are currently on the normal network so that the users can drop programs onto them. We could drop back to Win10 with these machines or simply continue on with Win 11 and keep re-enabling SMB1 through the features whenever an inevitable power cut shows its ugly head.
Have now been informed that the 14 Win95 machines will be replaced soon, hopefully sooner the better.

[freakycnc]

Don't know about the Mazak controls but Fanuc has a tool "NCBOOT32.EXE" on the Windows controls that will allow you to start a program/batch file from an external source (Storage card).
Usually NCBOOT32 points to the MTB executable software (HMI).
With NCBOOT32 you can load the path(s) and they will execute at boot time.
There are considerations as to how much system resources that these executables need to operate. (memory)
This way every time the power is cycled the executable(s) run with no intervention to get the resources to run.
Maybe Mazak has the same feature?