Every week, starting the Sunday after Lightning Experience is turned on, Lightning Experience-enabled users who are working in Salesforce Classic are automatically logged into Lightning Experience. Users can switch back to Salesforce Classic as needed.
Salesforce really want all users to join Lightning Experience, but not all of salesforce user want that. So what can you do as an admin in order to prevent Winter ’20 critical update to take over your system .
System administrators can use the following methods to disable automatic switching to Lightning
In Salesforce Classic:
- Navigate to Setup
- Select “Get Started” under “Lightning Experience Transition Assistant”
- Select “Go to Steps” For option number three “Optimize Phase”
- Expand Option Two “Motivate Users to Work in Lightning Experience”
- For the Section labeled “Switch users to Lightning Experience on a regular schedule” switch the “On” Switch to “Off”
In Lightning Experience the steps would be mostly the same,
- Navigate to Setup
- “Lightning Experience Transition Assistant”
- Select “Go to Steps” For option number three “Optimize Phase”
- Expand Option Two “Motivate Users to Work in Lightning Experience”
- For the Section labeled “Switch users to Lightning Experience on a regular schedule” switch the “On” Switch to “Off”