Run the Wasp Configuration Tool as Administrator and log in. Path:
C:\Program Files\Wasp Barcode Technologies\Wasp On-Premises Software\License\configure\Wasp.Installer.Configure.exe

First, validate any tabs that have a validate option. Do this for each tab from left to right.
If any of them produce an error, verify the information is correct, and if it is, bounce everything and validate again.

AssetCloud OP: Click onto the tab "Asset Cloud Service (MVC)".
Update the MVC Server Url and MVC Server Host fields with the new computer name.
Click the button "Validate MVC" to write the new values to the system. You should get a success dialog starting with "The following values were successfully tested." If there is an error message, investigate and resolve.
Click the Save button.

InventoryCloud OP: Click onto the tab "Inventory Cloud Service (ICMVC)".
Update the ICMVC Server Url and ICMVC Server Host fields with the new computer name.
Click the button "Validate ICMVC" to write the new values to the system. You should get a success dialog starting with "The following values were successfully tested." If there is an error message, investigate and resolve.
Click the Save button.

Stop and restart all services, sites, and application pools:
https://support.waspbarcode.com/kb/articles/1590