Nx Software crashes due to libeay32.dll on Windows

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Affected Roles: System Owner • System Administrator 
Related Nx VMS Apps: Nx Server • Nx Client
Difficulty: Medium
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What is the problem? 

Server and Desktop Client are stopped right after start. In Windows "Event Viewer" you can see that application is killed by Operating System due to libeay32.dll.

libeay32.dll is a dynamic library, part of OpenSSL which is open source solution for SSL/TLS connections. It is used for any Nx Client and Server secured connections, that is why it is so important.

How to solve this problem?

You'll need to replace your libeay32.dll library.

1. Download an updated version of the libeay32.dll libary.
   • libeay.dll for 32-bit Windows
   • libeay.dll for 64-bit Windows
     
     
2. Replace the existing libeay.dll file (located in your application directory) with the newly downloaded libeay32.dll file. If you have ever updated refer to Desktop Compatibility bullet point, library should be put to every copy of Desktop Client currently installed.
   
   
   • Nx Desktop Default Location 
     • C:\Program Files\Network Optix\Nx Witness\Client\<Version_Number>\libeay32.dll
       
       
   • Desktop Compatibility Mode installations(installed after any update)
     • C:\Users\<USERNAME>\AppData\Local\Network Optix\client\default\<Version_Number>\libeay32.dll
       
       
   • Media Server
     • C:\Program Files\Network Optix\Nx Witness\MediaServer\libeay32.dll
       
       
3. Start Nx Witness (Client or Server)