From 3ba044c9b6cc040539282685fb0188c25bfb2f23 Mon Sep 17 00:00:00 2001
From: Doug MacEachern <dougm@vmware.com>
Date: Sat, 5 Oct 2024 08:35:55 -0700
Subject: [PATCH] vcsim: support clearing ManagedBy field

Closes #3572
---
 simulator/virtual_machine.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/simulator/virtual_machine.go b/simulator/virtual_machine.go
index b40a99b00..a58354cb6 100644
--- a/simulator/virtual_machine.go
+++ b/simulator/virtual_machine.go
@@ -277,7 +277,11 @@ func (vm *VirtualMachine) apply(spec *types.VirtualMachineConfigSpec) {
 	}
 
 	if spec.ManagedBy != nil {
+		if spec.ManagedBy.ExtensionKey == "" {
+			spec.ManagedBy = nil
+		}
 		vm.Config.ManagedBy = spec.ManagedBy
+		vm.Summary.Config.ManagedBy = spec.ManagedBy
 	}
 
 	if spec.BootOptions != nil {