Error: You have exceeded the developer mode connection limit

Issue

• Why am I getting the following message on Liferay portal?
  

  Error: You have exceeded the developer mode connection limit. Click here to reset all connections.

Environment

• Liferay DXP 7.0-7.4

Resolution

• Developer keys are intended for local developer workstations only and are limited to five (5) concurrent user connections.
• You are getting this message because you have exceeded the limit of concurrent user connections.
• Please click the link here in the message to reset all connections so you can continue using Liferay.

Additional Information

• Activation Keys
• What are the different types of activation keys?