RT system timeout when update from NI-DAQmx 8.9.5 to 9.0.2

[parker_irvine]

I installed LabVIEW 2009 on my host (Window XP) which now has NI-DAQmx 9.0.2 installed.  My remote RT chassis has NI-DAQmx 8.9.5 installed.   I need to have NI-DAQmx versions match on my host and remote systems.  I have tried using the LabVIEW Real-Time Software Wizard to install NI-DAQmx 9.0.2 from my host.  The installer tries to reboot the remote chassis to the install mode but times out and returns Error Code 56.  How do I get my versions to match?

[parker_irvine · Accepted solution]

Problem caused by wrong order of install.  Needed to install RT 9.0 first on the target.  NI-DAQmx was updated at the same time.

[WaterlooLabs]

As you stated, be sure to install LV RT 2009 then you should be able to update the DAQmx drivers for your RT system.

You may also see error 56 (timeout) if the RT target is running untimed loops and starving the thread, or if you have a firewall blocking certain ports. Check out this KB on error 56.