vSphere Replication States in vSphere Web Client

vSphere Replication States those are listed in vSphere Web Client is Important. Now here is list of these states:-

Reference VMware Documentation

vSphere Replication States on vCenter Server Instances

Status	Description	Remediation
Not installed	The vSphere Replication extension is not registered in the vCenter Server Extension Manager. The vSphere Replication appliance is either not deployed or the vSphere Replication extension has been deleted from the vCenter Server Extension Manager.	If a vSphere Replication appliance is deployed on this vCenter Server, restart the appliance or the vSphere Replication Management service on the appliance. Use a supported browser to log in to the vSphere Replication VAMI as the root user. The URL for the VAMI is https://vr-appliance-address:5480. On the Configuration tab, click Save and Restart Service.
Enabled (Configuration issue)	A configuration error occurred. The vSphere Replication Management Server is either not registered with the vCenter SSO components, or the configuration is incorrect and must be updated. You cannot manage existing replications, or configure new replications to this server .	Configure the vSphere Replication appliance. Select the row that indicates the Enabled (Configuration issue) status. Point to the Enabled (Configuration issue) status. The detailed error message appears in a tooltip. Click the Configure icon () above the list of vCenter Server instances. The vSphere Replication VAMI opens. On the Configuration tab, enter the parameters that were indicated in the error message and click Save and Restart Service .
Enabled (Not accessible)	The vSphere Replication Management Server is not accessible. The vSphere Replication extension is registered in the vCenter Server Extension Manager, but the vSphere Replication appliance is missing or powered off, or the vSphere Replication Management service is not running. You cannot manage existing replications, or configure new replications to this server .	Verify that the vSphere Replication appliance exists on the vCenter Server. Verify that the vSphere Replication appliance is powered on. Restart the VRM service. On the vSphere Replication Home tab, select the row that indicates the Enabled (Not accessible) status and click the Configure icon () above the list of replication servers. On the Configuration tab, restart the VRM service.
Enabled (OK)	The vSphere Replication appliance is installed, configured, and functioning properly.	Not needed.