diff --git a/govc/USAGE.md b/govc/USAGE.md
index 6e3de5a4b..9fca109b9 100644
--- a/govc/USAGE.md
+++ b/govc/USAGE.md
@@ -462,12 +462,13 @@ Examples:
   govc cluster.change -drs-vmotion-rate=4 ClusterC
 
 Options:
-  -drs-enabled=<nil>     Enable DRS
-  -drs-mode=             DRS behavior for virtual machines: manual, partiallyAutomated, fullyAutomated
-  -drs-vmotion-rate=0    Aggressiveness of vMotions (1-5)
-  -ha-enabled=<nil>      Enable HA
-  -vsan-autoclaim=<nil>  Autoclaim storage on cluster hosts
-  -vsan-enabled=<nil>    Enable vSAN
+  -drs-enabled=<nil>                   Enable DRS
+  -drs-mode=                           DRS behavior for virtual machines: manual, partiallyAutomated, fullyAutomated
+  -drs-vmotion-rate=0                  Aggressiveness of vMotions (1-5)
+  -ha-admission-control-enabled=<nil>  Enable HA admission control
+  -ha-enabled=<nil>                    Enable HA
+  -vsan-autoclaim=<nil>                Autoclaim storage on cluster hosts
+  -vsan-enabled=<nil>                  Enable vSAN
 ```
 
 ## cluster.create
diff --git a/govc/cluster/change.go b/govc/cluster/change.go
index b6a508090..63e49004b 100644
--- a/govc/cluster/change.go
+++ b/govc/cluster/change.go
@@ -64,6 +64,7 @@ func (cmd *change) Register(ctx context.Context, f *flag.FlagSet) {
 
 	// HA
 	f.Var(flags.NewOptionalBool(&cmd.DasConfig.Enabled), "ha-enabled", "Enable HA")
+	f.Var(flags.NewOptionalBool(&cmd.DasConfig.AdmissionControlEnabled), "ha-admission-control-enabled", "Enable HA admission control")
 
 	// vSAN
 	f.Var(flags.NewOptionalBool(&cmd.VsanConfig.Enabled), "vsan-enabled", "Enable vSAN")
@@ -91,6 +92,10 @@ Examples:
 }
 
 func (cmd *change) Run(ctx context.Context, f *flag.FlagSet) error {
+	if f.NArg() == 0 {
+		return flag.ErrHelp
+	}
+
 	finder, err := cmd.Finder()
 	if err != nil {
 		return err
diff --git a/govc/test/cluster.bats b/govc/test/cluster.bats
index 8b9635fb5..04ee72b62 100755
--- a/govc/test/cluster.bats
+++ b/govc/test/cluster.bats
@@ -410,3 +410,15 @@ _EOF_
   # run govc object.mv /DC0/host/DC0_C1/DC0_H0 /DC0/host
   # assert_success
 }
+
+@test "cluster.change" {
+  vcsim_env
+
+  run govc cluster.change -drs-enabled -ha-enabled -ha-admission-control-enabled=false /DC0/host/DC0_C0
+  assert_success
+
+  config=$(govc object.collect -o -json /DC0/host/DC0_C0 | jq .configurationEx)
+  assert_equal true "$(jq -r .drsConfig.enabled <<<"$config")"
+  assert_equal true "$(jq -r .dasConfig.enabled <<<"$config")"
+  assert_equal false "$(jq -r .dasConfig.admissionControlEnabled <<<"$config")"
+}
diff --git a/simulator/cluster_compute_resource.go b/simulator/cluster_compute_resource.go
index 4a1579d3e..cf9928536 100644
--- a/simulator/cluster_compute_resource.go
+++ b/simulator/cluster_compute_resource.go
@@ -86,6 +86,24 @@ func (c *ClusterComputeResource) AddHostTask(ctx *Context, add *types.AddHost_Ta
 	}
 }
 
+func (c *ClusterComputeResource) update(cfg *types.ClusterConfigInfoEx, cspec *types.ClusterConfigSpecEx) types.BaseMethodFault {
+	if cspec.DasConfig != nil {
+		if val := cspec.DasConfig.Enabled; val != nil {
+			cfg.DasConfig.Enabled = val
+		}
+		if val := cspec.DasConfig.AdmissionControlEnabled; val != nil {
+			cfg.DasConfig.AdmissionControlEnabled = val
+		}
+	}
+	if cspec.DrsConfig != nil {
+		if val := cspec.DrsConfig.Enabled; val != nil {
+			cfg.DrsConfig.Enabled = val
+		}
+	}
+
+	return nil
+}
+
 func (c *ClusterComputeResource) updateRules(cfg *types.ClusterConfigInfoEx, cspec *types.ClusterConfigSpecEx) types.BaseMethodFault {
 	for _, spec := range cspec.RulesSpec {
 		var i int
@@ -328,6 +346,7 @@ func (c *ClusterComputeResource) ReconfigureComputeResourceTask(ctx *Context, re
 		}
 
 		updates := []func(*types.ClusterConfigInfoEx, *types.ClusterConfigSpecEx) types.BaseMethodFault{
+			c.update,
 			c.updateRules,
 			c.updateGroups,
 			c.updateOverridesDAS,