This article outlines steps on how to remove Aria Operations plugin from vCenter.
Aria Operations 8.18.x
To remove Aria Operations plugin from vCenter, please follow the below steps in this article.
Note: Please note that you need to remove both com.vmware.vrops and com.vmware.vcops extensions from the vCenter MOB page
Once the plugin from the vCenter is cleared successfully, you can delete the vCenter adapter instance from Aria Operations.
Japanese Version: vCenterからAria Operations 統合を削除する方法