diff --git a/source/adminguide/virtual_machines.rst b/source/adminguide/virtual_machines.rst
index 49ab2b6fbc..8eacebf2f3 100644
--- a/source/adminguide/virtual_machines.rst
+++ b/source/adminguide/virtual_machines.rst
@@ -1035,6 +1035,8 @@ TPM version for KVM. There are two options:
 |vm-settings-virtual-tpm-enabled-vmware.png|
 Enable or disable vTPM for VMware.
 
+.. note::
+     Data stored in the virtual TPM device is not persistent.
 Instance Snapshots
 ==================