diff --git a/docs/en-US/add-remove-nic-ui.xml b/docs/en-US/add-remove-nic-ui.xml
index 777ac7919fa..042905998eb 100644
--- a/docs/en-US/add-remove-nic-ui.xml
+++ b/docs/en-US/add-remove-nic-ui.xml
@@ -25,6 +25,12 @@
     also change the default physical network of a virtual machine. With this functionality, hybrid
     or traditional server loads can be accommodated with ease. </para>
   <para>This feature is supported on XenServer and KVM hypervisors.</para>
+  <section id="prereq-addnic">
+    <title>Prerequisites</title>
+    <para>For adding or removing physical networks to work, ensure that vm-tools are running on the
+      guest VMs on VMware hypervisor. If vm-tools are not present, running dhclient does not
+      result in IPs getting assigned to the NICs.</para>
+  </section>
   <section id="add-nic">
     <title>Adding a Physical Network</title>
     <orderedlist>
diff --git a/docs/en-US/add-remove-nic.xml b/docs/en-US/add-remove-nic.xml
index f2e3b588d34..fdccb37b2e2 100644
--- a/docs/en-US/add-remove-nic.xml
+++ b/docs/en-US/add-remove-nic.xml
@@ -26,7 +26,13 @@
     or traditional server loads can be accommodated with ease. </para>
   <para>This feature is supported on XenServer and KVM hypervisors.</para>
   <para>The following APIs have been added to support this feature. These API calls can function
-    only while the VM is in running or stopped state.</para>
+  only while the VM is in running or stopped state.</para>
+  <section id="prereq-addnic">
+    <title>Prerequisites</title>
+    <para>For adding or removing NICs to work, ensure that vm-tools are running on the
+      guest VMs running on VMware hypervisor. If vm-tools are not present, running dhclient does not
+      result in IPs getting assigned to the NICs.</para>
+  </section>
   <section id="addnic">
     <title>addNicToVirtualMachine</title>
     <para>The addNicToVirtualMachine API adds a new NIC to the specified VM on a selected