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9 Select the Enabled check box next to Event cleanup to have vCenter Server periodically clean up the
retained events.
10 (Optional) In Events retention, type a value in days.
Information about events for this vCenter Server system is discarded after the specified number of
days.
11 Click OK.
Verifying SSL Certificates for Legacy Hosts
You can configure vCenter Server to check the SSL certificates of hosts to which it connects. If you
configure this setting, vCenter Server and the vSphere Web Client check for valid SSL certificates before
connecting to a host for operations such as adding a host or making a remote console connection to a
virtual machine.
vCenter Server 5.1 and vCenter Server 5.5 always connect to ESXi hosts using SSL thumbprint
certificates. Starting with vCenter Server 6.0, the SSL certificates are signed by VMware Certificate
Authority by default. You can instead use certificates from a third-party CA. Thumbprint mode is
supported only for legacy hosts.
Procedure
1 In the vSphere Client, navigate to the vCenter Server instance.
2 Select the Configure tab.
3 Under Settings, select General.
4 Click Edit.
5 Select SSL settings.
6 Determine the host thumbprint for each legacy host that requires validation.
a Log in to the direct console.
b Select View Support Information on the System Customization menu.
The thumbprint is displayed in the column on the right.
7 Compare the thumbprint you obtained from the host with the thumbprint listed in the vCenter Server
Settings dialog box.
8 If the thumbprints match, select the check box for the host.
Hosts that are not selected will be disconnected after you click OK.
9 Click OK.
Configure Advanced Settings
In Advanced Settings, you can modify the vCenter Server configuration file, vpxd.cfg.
vCenter Server and Host Management
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