This KB article outlines the operational impacts resulting from the expiration of an ESXi host or vCenter Server license.
VMware vCenter Server 7.x
VMware vCenter Server 8.x
VMware vSphere ESXi 7.x
VMware vSphere ESXi 8.x
ESXi Host License Expiration:
Upon the expiration of an ESXi host license:
vCenter Server License Expiration:
Upon the expiration of a vCenter Server license:
Japanese KB:
vCenter / ESXi ライセンスの有効期限切れの影響
For information on how to apply the license, please refer to the document below.
How Do You Create a New License in the vSphere Client?
Configuring License Settings for Assets in the vSphere Client