The NetBackup plug-in is not shown in the vSphere Client (HTML5) interface even after registration

This issue may occur for any of the following reasons:

Table: Reasons for the NetBackup plug-in not appearing in the vSphere Client

Reason

Description and recommended action

The NetBackup plug-in does not support the vCenter version.

Messages similar to the following may appear in the vsphere_client_virgo .log file:

javax.net.ssl.SSLHandshakeException: Received fatal alert: 
handshake_failure

For a list of supported vCenter versions for the plug-in, see the following document:

Support for NetBackup 7.x and 8.x in virtual environments:

http://www.veritas.com/docs/000006177

You have not used the default URL for the plug-in ZIP-file download (securely hosted by the NetBackup primary server).

Instead, your plug-in download URL uses the HTTP protocol (http://) rather than the secure HTTPS protocol (https://).

In this case, the default vCenter configuration does not allow the plug-in to be downloaded and deployed. Messages similar to the following may appear in the VMware vsphere_client_virgo.log file:

The plugin package download was blocked because the URL 
is not secure. To allow http URLs add allowHttp=true to 
webclient.properties

See the procedure To allow installation of the plug-in over an HTTP URL.

A previous instance of the NetBackup plug-in did not properly clean up after uninstallation.

Do the following:

On the vCenter server, stop the vSphere Client services.
The services are vsphere-ui and vsphere-client.
For assistance with the command line or vSphere Client, see the VMware article "How to stop, start, or restart vCenter Server 6.x services (2109881)":
https://kb.vmware.com/kb/2109881

Remove references to the plug-in, as follows:

On a vCenter appliance, remove the directories or files that the following find command returns:

# find / -iname "*netbackup*"

On a Windows vCenter, remove the directories or files that the following dir commands return:

dir "%programdata%\*netbackup*" /s /a /b

dir "%programfiles%\*netbackup*" /s /a /b

Note:

For a VMware Platform Services Controller (PSC) environment with multiple vCenters, you need only uninstall the plug-in on the vCenter where the plug-in was installed. However, you should remove references to the plug-in from all of the vCenters that are managed by the PSC.

On the vCenter server, start the vSphere Client services.
The services are vsphere-ui and vsphere-client.

To allow installation of the plug-in over an HTTP URL

Add the following directive to the vCenter's webclient.properties file:
allowHttp=true
The webclient.properties file may be located in the following directory:
Windows: C:\ProgramData\VMware\vCenterServer\cfg\vsphere-ui\
Linux: /etc/vmware/vsphere-ui/
Restart the vSphere Client service.
The following VMware article contains further information on starting the vSphere Client service:
https://kb.vmware.com/kb/2109887
Log on again to the vSphere Client.
When you log on, the plug-in is then installed.
See Installing the NetBackup plug-in for vSphere Client (HTML5).

The NetBackup plug-in is not shown in the vSphere Client (HTML5) interface even after registration

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