Merge pull request #30926 from skrthomas/GH#27491

GH#27491: Added Network Time Protocol (NPT) as a Networking req

Author: bergerhoffer

modules/installation-vsphere-installer-infra-requirements.adoc

@@ -249,6 +249,11 @@ The VM in your restricted network must have access to vCenter so that it can pro
 endif::restricted[]
 Additionally, you must create the following networking resources before you install the {product-title} cluster:
 
+[NOTE]
+====
+It is recommended that each {product-title} node in the cluster must have access to a Network Time Protocol (NTP) server that is discoverable via DHCP. Installation is possible without an NTP server. However, asynchronous server clocks will cause errors, which NTP server prevents.
+====
+
 [discrete]
 [id="installation-vsphere-installer-infra-requirements-_{context}"]
 === Required IP Addresses