diff --git a/app/common/directives/app-header.js b/app/common/directives/app-header.js
index 2a34381..93d8fa8 100644
--- a/app/common/directives/app-header.js
+++ b/app/common/directives/app-header.js
@@ -30,7 +30,7 @@
                             }else if(status == 'xyz.openbmc_project.State.Host.HostState.Running'){
                                 dataService.setPowerOnState();
                             }else{
-                                dataService.setBootingState();
+                                dataService.setErrorState();
                             }
                         }, function(error){
                             dataService.activateErrorModal();
diff --git a/app/common/services/constants.js b/app/common/services/constants.js
index 57c5eb1..3afd9ae 100644
--- a/app/common/services/constants.js
+++ b/app/common/services/constants.js
@@ -36,13 +36,14 @@
                     on_code: 'xyz.openbmc_project.State.Host.HostState.Running',
                     off: 'Off',
                     off_code: 'xyz.openbmc_project.State.Host.HostState.Off',
-                    booting: 'Quiesced',
+                    error: 'Quiesced',
+                    error_code: 'xyz.openbmc_project.State.Host.HostState.Quiesced',
                     unreachable: 'Unreachable'
                 },
                 HOST_STATE: {
                     on: 1,
                     off: -1,
-                    booting: 0,
+                    error: 0,
                     unreachable: -2
                 },
                 LED_STATE: {
@@ -122,10 +123,21 @@
                     ACTIVATION: 1000 * 60 * 10, // 10 mins
                     CHASSIS_OFF: 1000 * 60 * 5, // 5 mins
                     HOST_ON: 1000 * 60 * 5, // 5 mins
+                    HOST_OFF: 1000 * 60 * 5, // 5 mins
                 },
                 MESSAGES: {
                     POLL: {
-                        TIMEOUT: 'Time out. Did not reach power state in allotted time.',
+                        CHASSIS_OFF_TIMEOUT: 'Time out. Chassis did not reach power off state in allotted time.',
+                        HOST_ON_TIMEOUT: 'Time out. System did not reach Running state in allotted time.',
+                        HOST_OFF_TIMEOUT: 'Time out. System did not reach Off state in allotted time.',
+                        HOST_QUIESCED: 'System is in Error state.',
+                    },
+                    POWER_OP: {
+                        POWER_ON_FAILED: 'Power On Failed',
+                        WARM_REBOOT_FAILED: 'Warm Reboot Failed',
+                        COLD_REBOOT_FAILED: 'Cold Reboot Failed',
+                        ORDERLY_SHUTDOWN_FAILED: 'Orderly Shutdown Failed',
+                        IMMEDIATE_SHUTDOWN_FAILED: 'Immediate Shutdown Failed',
                     },
                     SENSOR: {
                         NO_SENSOR_DATA: 'There are no sensors found.',
@@ -136,7 +148,8 @@
                     ERROR_MODAL: {
                         TITLE: 'Unexpected error',
                         DESCRIPTION: 'Oops! An unexpected error occurred. Record specific details of the issue, then contact your company support services.'
-                    }
+                    },
+                    ERROR_MESSAGE_DESC_TEMPLATE: '{{status}} - {{description}}',
                 },
                 POWER_CAP_TEXT: {
                     unit: 'W',
diff --git a/app/common/services/dataService.js b/app/common/services/dataService.js
index d84821a..6cf62ee 100644
--- a/app/common/services/dataService.js
+++ b/app/common/services/dataService.js
@@ -86,9 +86,9 @@
                 this.server_status = Constants.HOST_STATE.off;
             }
 
-            this.setBootingState = function(){
-                this.server_state = Constants.HOST_STATE_TEXT.booting;
-                this.server_status = Constants.HOST_STATE.booting;
+            this.setErrorState = function(){
+                this.server_state = Constants.HOST_STATE_TEXT.error;
+                this.server_status = Constants.HOST_STATE.error;
             }
 
             this.setUnreachableState = function(){
diff --git a/app/server-control/controllers/bmc-reboot-controller.js b/app/server-control/controllers/bmc-reboot-controller.js
index f5e0923..3106823 100644
--- a/app/server-control/controllers/bmc-reboot-controller.js
+++ b/app/server-control/controllers/bmc-reboot-controller.js
@@ -27,7 +27,7 @@
                     $scope.confirm = true;
                 };
                 $scope.reboot = function(){
-                    dataService.setBootingState();
+                    dataService.setUnreachableState();
                     APIUtils.bmcReboot(function(response){
                         //@NOTE: using common event to reload server status, may be a better event listener name?
                         $scope.$emit('user-logged-in',{});
diff --git a/app/server-control/controllers/power-operations-controller.html b/app/server-control/controllers/power-operations-controller.html
index 876ce24..d20778d 100644
--- a/app/server-control/controllers/power-operations-controller.html
+++ b/app/server-control/controllers/power-operations-controller.html
@@ -24,7 +24,7 @@
         <span class="inactive-message" ng-show="dataService.server_state == 'Unreachable'">There are no power operations to display while a power operation is in progress. When complete, any new power operations will be displayed here.</span>
         <!-- Power on displays only when server is shutdown -->
         <div class="row column power-option" ng-hide="dataService.server_state == 'Running' || dataService.server_state == 'Quiesced' || dataService.server_state == 'Unreachable'" ng-class="{disabled: dataService.server_unreachable || (confirm && !power_confirm) || dataService.loading, transitionAll: confirm && power_confirm}">
-            <button id="power__power-on" class="btn-secondary inline" ng-click="togglePower()" role="button" ng-disabled="dataService.server_unreachable"><img src="../../assets/images/icon-power.svg" alt="power on" aria-hidden="true">Power on</button>
+            <button id="power__power-on" class="btn-secondary inline" ng-click="powerOn()" role="button" ng-disabled="dataService.server_unreachable"><img src="../../assets/images/icon-power.svg" alt="power on" aria-hidden="true">Power on</button>
             <p class="inline">Attempts to power on the server</p>
         </div>
         <!-- Power reboot/shutdown options : when server is off all of these are hidden. When one option is selected, the others are disabled. -->
diff --git a/app/server-control/controllers/power-operations-controller.js b/app/server-control/controllers/power-operations-controller.js
index 461c1e7..989ca1b 100644
--- a/app/server-control/controllers/power-operations-controller.js
+++ b/app/server-control/controllers/power-operations-controller.js
@@ -19,8 +19,10 @@
             'Constants',
             '$timeout',
             '$interval',
+            '$interpolate',
             '$q',
-            function($scope, APIUtils, dataService, Constants, $timeout, $interval, $q){
+            function($scope, APIUtils, dataService, Constants, $timeout,
+                     $interval, $interpolate, $q){
                 $scope.dataService = dataService;
                 $scope.confirm = false;
                 $scope.power_confirm = false;
@@ -39,22 +41,24 @@
                     dataService.server_state = (dataService.server_state == 'Running') ? 'Off': 'Running';
                 }
 
-                $scope.togglePower = function(){
-                    var method = (dataService.server_state == 'Running') ? 'hostPowerOff' : 'hostPowerOn';
-                    //@TODO: show progress or set class orange
-                    APIUtils[method]().then(function(response){
-                        //update state based on response
-                        //error case?
-                        if(response == null){
-                            console.log("Failed request.");
-                        }else{
-                            //@TODO::need to get the server status
-                            if(dataService.server_state == 'Running'){
-                                dataService.setPowerOffState();
-                            }else{
-                                dataService.setPowerOnState();
-                            }
-                        }
+                $scope.powerOn = function(){
+                    $scope.loading = true;
+                    dataService.setUnreachableState();
+                    APIUtils.hostPowerOn().then(function(response){
+                        return response;
+                    }).then(function(lastStatus) {
+                        pollStartTime = new Date();
+                        return pollHostStatusTillOn();
+                    }).then(function(hostState) {
+                        $scope.loading = false;
+                    }).catch(function(error){
+                        dataService.activateErrorModal(
+                          {title: Constants.MESSAGES.POWER_OP.POWER_ON_FAILED,
+                           description: error.statusText ?
+                               $interpolate(Constants.MESSAGES.ERROR_MESSAGE_DESC_TEMPLATE)(
+                                   {status: error.status, description: error.statusText}) :
+                               error });
+                        $scope.loading = false;
                     });
                 }
                 $scope.powerOnConfirm = function(){
@@ -65,6 +69,16 @@
                     $scope.power_confirm = true;
                 };
 
+                function setHostState(state){
+                    if(state == Constants.HOST_STATE_TEXT.off_code){
+                        dataService.setPowerOffState();
+                    }else if(state == Constants.HOST_STATE_TEXT.on_code){
+                        dataService.setPowerOnState();
+                    }else{
+                        dataService.setErrorState();
+                    }
+                }
+
                 function pollChassisStatusTillOff(){
                     var deferred = $q.defer();
                     pollChassisStatusTimer = $interval(function(){
@@ -72,7 +86,7 @@
                         if((now.getTime() - pollStartTime.getTime()) >= Constants.TIMEOUT.CHASSIS_OFF){
                             $interval.cancel(pollChassisStatusTimer);
                             pollChassisStatusTimer = undefined;
-                            deferred.reject(new Error(Constants.MESSAGES.POLL.TIMEOUT));
+                            deferred.reject(new Error(Constants.MESSAGES.POLL.CHASSIS_OFF_TIMEOUT));
                         }
                         APIUtils.getChassisState().then(function(state){
                             if(state === Constants.CHASSIS_POWER_STATE.off_code){
@@ -96,13 +110,43 @@
                         if((now.getTime() - pollStartTime.getTime()) >= Constants.TIMEOUT.HOST_ON){
                             $interval.cancel(pollHostStatusTimer);
                             pollHostStatusTimer = undefined;
-                            deferred.reject(new Error(Constants.MESSAGES.POLL.TIMEOUT));
+                            deferred.reject(new Error(Constants.MESSAGES.POLL.HOST_ON_TIMEOUT));
                         }
                         APIUtils.getHostState().then(function(state){
+                            setHostState(state);
                             if(state === Constants.HOST_STATE_TEXT.on_code){
                                 $interval.cancel(pollHostStatusTimer);
                                 pollHostStatusTimer = undefined;
                                 deferred.resolve(state);
+                            }else if(state === Constants.HOST_STATE_TEXT.error_code){
+                                $interval.cancel(pollHostStatusTimer);
+                                pollHostStatusTimer = undefined;
+                                deferred.reject(new Error(Constants.MESSAGES.POLL.HOST_QUIESCED));
+                            }
+                        }).catch(function(error){
+                            $interval.cancel(pollHostStatusTimer);
+                            pollHostStatusTimer = undefined;
+                            deferred.reject(error);
+                        });
+                    }, Constants.POLL_INTERVALS.POWER_OP);
+
+                    return deferred.promise;
+                }
+                function pollHostStatusTillOff(){
+                    var deferred = $q.defer();
+                    pollHostStatusTimer = $interval(function(){
+                        var now = new Date();
+                        if((now.getTime() - pollStartTime.getTime()) >= Constants.TIMEOUT.HOST_OFF){
+                            $interval.cancel(pollHostStatusTimer);
+                            pollHostStatusTimer = undefined;
+                            deferred.reject(new Error(Constants.MESSAGES.POLL.HOST_OFF_TIMEOUT));
+                        }
+                        APIUtils.getHostState().then(function(state){
+                            setHostState(state);
+                            if(state === Constants.HOST_STATE_TEXT.off_code){
+                                $interval.cancel(pollHostStatusTimer);
+                                pollHostStatusTimer = undefined;
+                                deferred.resolve(state);
                             }
                         }).catch(function(error){
                             $interval.cancel(pollHostStatusTimer);
@@ -114,14 +158,26 @@
                     return deferred.promise;
                 }
                 $scope.warmReboot = function(){
-                    //@TODO:show progress
-                    dataService.setBootingState();
+                    $scope.loading = true;
+                    dataService.setUnreachableState();
                     APIUtils.hostReboot().then(function(response){
-                        if(response){
-                            dataService.setPowerOnState();
-                        }else{
-                            //@TODO:hide progress & show error message
-                        }
+                        return response;
+                    }).then(function(lastStatus) {
+                        pollStartTime = new Date();
+                        return pollHostStatusTillOff();
+                    }).then(function(hostState) {
+                        pollStartTime = new Date();
+                        return pollHostStatusTillOn();
+                    }).then(function(hostState) {
+                        $scope.loading = false;
+                    }).catch(function(error){
+                        dataService.activateErrorModal(
+                          {title: Constants.MESSAGES.POWER_OP.WARM_REBOOT_FAILED,
+                           description: error.statusText ?
+                               $interpolate(Constants.MESSAGES.ERROR_MESSAGE_DESC_TEMPLATE)(
+                                   {status: error.status, description: error.statusText}) :
+                               error });
+                        $scope.loading = false;
                     });
                 };
                 $scope.testState = function(){
@@ -142,23 +198,28 @@
 
                 $scope.coldReboot = function(){
                     $scope.loading = true;
-                    dataService.setBootingState();
+                    dataService.setUnreachableState();
                     APIUtils.chassisPowerOff().then(function(state){
                         return state;
                     }).then(function(lastState) {
                         pollStartTime = new Date();
                         return pollChassisStatusTillOff();
                     }).then(function(chassisState) {
-                        APIUtils.hostPowerOn().then(function(hostState){
+                        return APIUtils.hostPowerOn().then(function(hostState){
                             return hostState;
                         })
                     }).then(function(hostState) {
                         pollStartTime = new Date();
                         return pollHostStatusTillOn();
                     }).then(function(state) {
-                        dataService.setPowerOnState();
                         $scope.loading = false;
                     }).catch(function(error){
+                        dataService.activateErrorModal(
+                          {title: Constants.MESSAGES.POWER_OP.COLD_REBOOT_FAILED,
+                           description: error.statusText ?
+                               $interpolate(Constants.MESSAGES.ERROR_MESSAGE_DESC_TEMPLATE)(
+                                   {status: error.status, description: error.statusText}) :
+                               error });
                         $scope.loading = false;
                     });
                 };
@@ -171,13 +232,26 @@
                 };
 
                 $scope.orderlyShutdown = function(){
-                    //@TODO:show progress
+                    $scope.loading = true;
+                    dataService.setUnreachableState();
                     APIUtils.hostPowerOff().then(function(response){
-                        if(response){
-                            dataService.setPowerOffState();
-                        }else{
-                            //@TODO:hide progress & show error message
-                        }
+                        return response;
+                    }).then(function(lastStatus) {
+                        pollStartTime = new Date();
+                        return pollHostStatusTillOff()
+                    }).then(function(hostState) {
+                        pollStartTime = new Date();
+                        return pollChassisStatusTillOff();
+                    }).then(function(chassisState) {
+                        $scope.loading = false;
+                    }).catch(function(error){
+                        dataService.activateErrorModal(
+                          {title: Constants.MESSAGES.POWER_OP.ORDERLY_SHUTDOWN_FAILED,
+                           description: error.statusText ?
+                               $interpolate(Constants.MESSAGES.ERROR_MESSAGE_DESC_TEMPLATE)(
+                                   {status: error.status, description: error.statusText}) :
+                               error });
+                        $scope.loading = false;
                     });
                 };
                 $scope.orderlyShutdownConfirm = function(){
@@ -189,13 +263,24 @@
                 };
 
                 $scope.immediateShutdown = function(){
-                    //@TODO:show progress
-                    APIUtils.chassisPowerOff(function(response){
-                        if(response){
-                            dataService.setPowerOffState();
-                        }else{
-                            //@TODO:hide progress & show error message
-                        }
+                    $scope.loading = true;
+                    dataService.setUnreachableState();
+                    APIUtils.chassisPowerOff().then(function(response){
+                        return response;
+                    }).then(function(lastStatus) {
+                        pollStartTime = new Date();
+                        return pollChassisStatusTillOff();
+                    }).then(function(chassisState) {
+                        dataService.setPowerOffState();
+                        $scope.loading = false;
+                    }).catch(function(error){
+                        dataService.activateErrorModal(
+                          {title: Constants.MESSAGES.POWER_OP.IMMEDIATE_SHUTDOWN_FAILED,
+                           description: error.statusText ?
+                               $interpolate(Constants.MESSAGES.ERROR_MESSAGE_DESC_TEMPLATE)(
+                                   {status: error.status, description: error.statusText}) :
+                               error });
+                        $scope.loading = false;
                     });
                 };
                 $scope.immediateShutdownConfirm = function(){