To add a VMware ESXi host to your VMware vCenter Server (VCSA) inventory, go to "Menu -> Hosts and Clusters".
Next, right-click on the datacenter or folder where you want to place your VMware ESXi host and click: Add Host.
In the "Add Host" window that appears, enter the domain name or IP address of the VMware ESXi host to add and click Next.
In our case, we will add our host: esxi1.informatiweb.lan.
Next, provide the credentials of a user on your VMware ESXi host authorized to link it to a VMware vCenter Server (or VCSA).
In our case, we used the "root" account of our VMware ESXi host.
If your VMware ESXi host has a self-signed certificate, a security alert will appear.
In this case, ignore it by clicking on: Yes.
A summary of the VMware ESXi host to add appears with:
Click Next.
For license assignment, you can leave the existing one or assign a new license to this host.
In our case, this is an evaluation license and it therefore expires in 60 days.
For Lockdown mode, this allows you to restrict direct access to the VMware ESXi host being added in vCenter Server:
In our case, we left this lock mode disabled.
Select in which data center or folder the virtual machines on the VMware ESXi host being added should be placed, then click Next.
A summary of adding your VMware ESXi host appears with:
Cliquez sur Finish.
If the clock on your VMware ESXi host and your VMware vCenter Server (or VCSA) clock are not in sync, adding that VMware ESXi host may fail.
In this case, you will see this displayed at the bottom right of the window:
Plain Text
Operation failed Task Name: Add Standalone Host Target: [location selected in wizard] Status: A general system error has occurred: Unable to push signed certificate to host [VMware ESXi host name]
To get more information regarding the error that occurred, click on the "More Tasks" link below this error.
In the events associated with this error, you will see this:
Plain Text
Unable to connect to [VMware ESXi host name] in [affected data center name]: Host connection error.
In this case, make sure that the date and time of your VMware ESXi host and that of your VMware vCenter Server (or VCSA) are exactly the same.
Then try again and it will work.
If the clock is well synchronized between ESXi and vCenter Server, the addition of the VMware ESXi host will start and you will see an "Add Standalone Host" task appear.
In "Menu -> Tasks", select this task "Add Standalone Host" and you will see that several events have taken place.
As you can see here, adding your VMware ESXi host will have caused:
Although not stated here, this will also have caused your VMware ESXi host's networks to be listed in your vCenter Server inventory, as will be seen a little later.
If you go to the web interface of your VMware ESXi host, you will see that it is now connected to vCenter Server.
You will also see this message appear on a blue background:
Plain Text
This host is being managed by vCenter Server. Actions may be performed by vCenter Server without your knowledge.
If you go to the "Host -> Manage -> Security and Users -> Certificates" menu of your VMware ESXi host, you will see a warning displayed:
Plain Text
This host's certificates are being managed by vCenter Server, you cannot configure them using the Host Client.
In the 1st tab (Hosts and Clusters) of the vSphere Client inventory, go to the location (datacenter or folder) where you just added your VMware ESXi host and select it.
As you can see, you will be able to know:
On the right, you will also see the system resource usage of this host in real time:
For virtual machines, you will also have a summary with:
On the right, you can see:
In the 3rd tab (Storage), you will see that the datastores of the added VMware ESXi host have also been added in the vCenter Server inventory.
In our case, we find the "datastore1" datastore present by default on VMware ESXi, as well as the one that we had created manually (HDD2).
If you select the datastore "datastore1", you will be able to see its URL (location), its size, the space used and the free space available on it.
In the "Hosts" tab of this datastore, you will see the hosts affected by this datastore.
Same for other datastores.
In the "Configure" tab, you will find additional information regarding this datastore and in particular you will be able to know whether it is a hard drive or an SSD.
In the "Files" tab, you will be able to see the folders and files that are in this datastore.
As if you were using the VMware Host Client datastore browser (present on VMware ESXi).
Again, in the "Hosts" tab, you will be able to see which VMware ESXi hosts are using this datastore.
In the "VM" tab, you will be able to see which virtual machines are on this datastore.
In the 4th tab (Networking), you will see that the port groups of the added VMware ESXi host have also been added in the vCenter Server inventory.
You will therefore find at least the "VM Network" port group present by default on VMware ESXi.
In the "Hosts" tab of this network, you will see the hosts affected by this network.
In the "VM" tab, you will find the virtual machines using this network.
VMware 5/26/2023
VMware 7/6/2022
VMware 8/2/2024
VMware 3/29/2024
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