# vtkSocketCommunicator failing to establish a connection

**URL:** https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803
**Category:** ParaView Support
**Created:** [January 26, 2024, 9:08am UTC](https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803 "2024-01-26T09:08:41Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![Gopika](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/g/779978/32.png) [@Gopika](https://discourse.paraview.org/u/Gopika)
#### Post date: [January 26, 2024, 9:08am UTC](https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803/1 "2024-01-26T09:08:41Z")

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I’m attempting to view data from my computer’s server through remote visualization, using pvserver and paraview.  
I tried connecting to the same version. But I’m getting a connection error, as follows:  
Also, while trying to connect, the server closes the connection after this error message in Paraview.  
I want to mention that I have previously visualized the data successfully in the same way. But the issue in the last two days.

```auto
ERROR: In /home/buildslave/dashboards/buildbot/paraview_release-pvbinsdash-linux-shared-release_superbuild/build/superbuild/paraview/src/VTK/Parallel/Core/vtkSocketCommunicator.cxx, line 786
vtkSocketCommunicator (0x457a970): Could not receive tag. 1010580540

ERROR: In /home/buildslave/dashboards/buildbot/paraview_release-pvbinsdash-linux-shared-release_superbuild/build/superbuild/paraview/src/VTK/Parallel/Core/vtkSocketCommunicator.cxx, line 540
vtkSocketCommunicator (0x457a970): Endian handshake failed.

ERROR: In /home/buildslave/dashboards/buildbot/paraview_release-pvbinsdash-linux-shared-release_superbuild/build/superbuild/paraview/src/Remoting/Core/vtkTCPNetworkAccessManager.cxx, line 333
vtkTCPNetworkAccessManager (0x118f720): 
**********************************************************************
Connection failed during handshake. vtkSocketCommunicator::GetVersion()
 returns different values on the two connecting processes
 (Current value: 100).
**********************************************************************

```

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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: [January 26, 2024, 9:10am UTC](https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803/2 "2024-01-26T09:10:51Z")

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Are you compiling ParaView yourself, using a package or the official binary release ?  
Which version are you using ?

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<div class="post-metadata">

### Author: ![Gopika](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/g/779978/32.png) [@Gopika](https://discourse.paraview.org/u/Gopika)
#### Post date: [January 26, 2024, 9:12am UTC](https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803/3 "2024-01-26T09:12:34Z")

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I am not compiling myself.  
I am using the binary release 5.8.1

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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: [January 26, 2024, 9:15am UTC](https://discourse.paraview.org/t/vtksocketcommunicator-failing-to-establish-a-connection/13803/4 "2024-01-26T09:15:35Z")

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> [@Gopika](#):
>
> the binary release 5.8.1

Please try with 5.11.1 or 5.12.0-RC2: [https://www.paraview.org/download/](https://www.paraview.org/download/)