# mpi paraview running error

**URL:** https://discourse.paraview.org/t/mpi-paraview-running-error/3113
**Category:** ParaView Support
**Created:** [December 4, 2019, 6:03am UTC](https://discourse.paraview.org/t/mpi-paraview-running-error/3113 "2019-12-04T06:03:56Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![lyz](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/l/e47774/32.png) [@lyz](https://discourse.paraview.org/u/lyz)
#### Post date: [December 4, 2019, 6:03am UTC](https://discourse.paraview.org/t/mpi-paraview-running-error/3113/1 "2019-12-04T06:03:56Z")

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I build paraview5.7 with ms-mpi 10.1.2 and VRPN for immersive paraview.  
When I run paraview, I get some errors: (smpd -d is running before)  
**(in master node)**

> mpiexec -hosts 3 renderleft rendermiddle renderright .\pvserver.exe \master\paraview\config\cadwall.pvx

the error message:  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/c/c68c07d7cf185283835f728328860506989b4a50.jpeg)

**(in render node)**  
the error message:  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/0/0caeb8756bd6e6457ccdd6ed3ba59a105c769334.png)

I am confused about this error message, and could you give me some tips?

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<div class="post-metadata">

### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [December 4, 2019, 9:26am UTC](https://discourse.paraview.org/t/mpi-paraview-running-error/3113/2 "2019-12-04T09:26:20Z")

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You may want to ensure your mpi can be used externally to ParaView first.