Shared Variables

[smcgeown]

Hi All,

Recently our company has force a security update to our systems that runs LabVIEW, as a result the IP address had changed.

I was able to restore the connect to restore the connection to the original IP however, I appear to have lost connection to a number of shared variables.

When trying to run the controller and GUI I get the error codes 1950679035 and 1950679008.

The variables still appear in the project file but not in the NI Distributed System Manager.

I have register the libraries, and checked the properties of the variables and the aliasing option is not checked.

If anyone can provide guidance on how to solution this problem it would be appreciated. 

[altenbach]

What else was contained in the "security update"? Could it be that they implemented certain firewall rules? What is your network topology with respect to your various systems (Including the shared variable server). Is everything on the same subnet?

[smcgeown]

I haven't been informed of the contents of the update, however talking to the IT department has said our CIRO is trying to connect to a Russian IP address so the system blocked. I have inherited the system so I wasn't involved in the setup but we have one pc with all the software on it and sends the deployment over ethernet to the CRIO that is on the same network.

[Steffen01]

Russian IP, maybe call Dunny boy to call his bestie Vlad to resolve this?

Out IT changed the DNS server IP over the weekend without telling anyone and sure enough things went funny on Monday. Off course its not the first thing one would check? Maybe some VPN involved? You can still find the cRIO somehow in MAX or distributed systems manager? Can you ping it? Can you at least see the variables doing things, in MAX or Distributed systems manager (cannot remember which one)? Maybe have to change its network settings. And there was something else when we changed from Windows 10 to 11, firewall settings are worth checking.

[smcgeown]

This is the third or fourth time this year the IP address changed due to the security updates, I have asked for a fixed appear for the port and they haven't assigned one. The MAX and distributed systems manager are connected, the manager has some of the variables listed and the unpopulated libraries for the missing variables. I Our IT department login on yesterday and they had to restart a web filtering application and stop the firewall on the Labview computer and the issue still is present.

[altenbach]

In my experience, the main function of IT is to break things. Good luck!

[Steffen01]

can you set up some local network? Or maybe instead of an IP adress connect to its name? As in call is cRIO something and connect to that instead? The safest bet is if it has its own network somehow, unless its too far away for you to physically do that. cRIO has a static IP at least, so you know what to look for?

Otherwise zenmap, but if you don't know the first 3 in the IP address you end up scanning forever.

[smcgeown]

I am not sure I haven't set up the system before it was created about 10 years ago and has just be added to over time. I have got rules added to the firewall and reset the NI MAX database and some variables came back online. I am still getting a number of 1950679035 errors, which following other posts can't seem to sort.

[Steffen01]

is there only 1 cRIO?

maybe try in debug mode on the cRIO if something is broken? Shouldn't break by itself, but who knows. Maybe it does not get data from elsewhere. Don't know your setup.

Maybe can try to just directly connect to your PC, need to read up if that is possible. 10 year old setup, was still Windows 7?

for that error, one option is deploy shared variables library, tried all that?