I have found this article in VMware’s knowledge base showing how to disable the warning symbol after enabling SSH on a ESXI host. This is useful if you require to keep SSH enabled in a private and secure network.
To suppress informational warnings related to SSH and ESXi shell access:
- Click the ESXi host in the Inventory tab.
- Click the Configuration tab.
- Under Software, click Advanced Settings.
- Click UserVars.
- Change the value of
- Click OK.
Note: This parameter is included with ESXi/ESX 4.1 update 2 and ESXi 5.0.