diff --git a/modules/installation-vsphere-infrastructure.adoc b/modules/installation-vsphere-infrastructure.adoc
index 8abafc7c27..74c5d72f15 100644
--- a/modules/installation-vsphere-infrastructure.adoc
+++ b/modules/installation-vsphere-infrastructure.adoc
@@ -24,3 +24,8 @@ clusters are subject to the following restrictions:
 
 If you use a vSphere version 6.5 instance, consider upgrading to 6.7U2 before
 you install {product-title}.
+
+[IMPORTANT]
+====
+You must ensure that the time on your ESXi hosts is synchronized before you install {product-title}. See link:https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.vcenterhost.doc/GUID-8756D419-A878-4AE0-9183-C6D5A91A8FB1.html[Edit Time Configuration for a Host] in the VMware documentation.
+====