You are installing the VMware Aria Suite Lifecycle and the deploy option is grayed out.
VMware Cloud Foundation 5.0.x
VMware Cloud Foundation 5.2.x
A failed task in the SDDC manager, stops the deployment. The SDDC database will hold a lock on the failed task.
Validate for any tasks that are in failed state in SDDC manager.If any ensure to cancel such tasks to proceed further with the deployment.
Example - From the password management, if there is any failed password task cancel it.
To validate for :
1)Failed tasks for password management please refer to : Unable to perform password operations on SDDC Manager with error: "Failed to update the password. Password update task is in progress/failed state, retry after sometime"
2)To check for any process holding locks: Password manager options are grayed out for all accounts in SDDC Manager "This operation is not allowed because SDDC manager back up operations are working"