ERROR

Workbench is opened > it sits on the loading screen for several minutes > it finally opens with the timeout connection error seen below and no tools load in the toolbox > when you click ok, you receive the error in this article‍.

Connection timed out while reading data.
The application has stopped waiting for a reply.
The License server may be experiencing a high demand 
or a temporary outage. Try again later.

Software & Version

Workbench 2021 R2

*This example was taken from this version, but is not necessary limited to this version.

Description/Cause

This error was caused by a connection issue with the license server not having the License Server specified properly. 

Solution

Follow the article -  HOW TO - Test & Fix License Manager Connectivity Issues‍