diff --git a/apps/documenteditor/main/app/view/Statusbar.js b/apps/documenteditor/main/app/view/Statusbar.js
index 1d9ded350..55b69d8c3 100644
--- a/apps/documenteditor/main/app/view/Statusbar.js
+++ b/apps/documenteditor/main/app/view/Statusbar.js
@@ -322,6 +322,7 @@ define([
                 if (this.api) {
                     this.api.asc_registerCallback('asc_onCountPages',   _.bind(_onCountPages, this));
                     this.api.asc_registerCallback('asc_onCurrentPage',  _.bind(_onCurrentPage, this));
+                    this.api.asc_registerCallback('asc_onCoAuthoringDisconnect',_.bind(this.onApiCoAuthoringDisconnect, this));
                     Common.NotificationCenter.on('api:disconnect',      _.bind(this.onApiCoAuthoringDisconnect, this));
                 }
 
diff --git a/apps/documenteditor/main/app/view/Toolbar.js b/apps/documenteditor/main/app/view/Toolbar.js
index 534b5fad1..c8531f71c 100644
--- a/apps/documenteditor/main/app/view/Toolbar.js
+++ b/apps/documenteditor/main/app/view/Toolbar.js
@@ -2077,6 +2077,10 @@ define([
             setMode: function (mode) {
                 if (mode.isDisconnected) {
                     this.btnSave.setDisabled(true);
+                    this.btnUndo.setDisabled(true);
+                    this.btnRedo.setDisabled(true);
+                    if ( this.synchTooltip )
+                        this.synchTooltip.hide();
                     if (!mode.enableDownload)
                         this.btnPrint.setDisabled(true);
                 }
diff --git a/apps/presentationeditor/main/app/view/Statusbar.js b/apps/presentationeditor/main/app/view/Statusbar.js
index e6b427b7f..676d3f347 100644
--- a/apps/presentationeditor/main/app/view/Statusbar.js
+++ b/apps/presentationeditor/main/app/view/Statusbar.js
@@ -301,6 +301,7 @@ define([
                     this.api.asc_registerCallback('asc_onCountPages',   _.bind(_onCountPages, this));
                     this.api.asc_registerCallback('asc_onCurrentPage',  _.bind(_onCurrentPage, this));
                     this.api.asc_registerCallback('asc_onFocusObject', _.bind(this.onApiFocusObject, this));
+                    this.api.asc_registerCallback('asc_onCoAuthoringDisconnect',_.bind(this.onApiCoAuthoringDisconnect, this));
                     Common.NotificationCenter.on('api:disconnect',     _.bind(this.onApiCoAuthoringDisconnect, this));
                 }
 
diff --git a/apps/presentationeditor/main/app/view/Toolbar.js b/apps/presentationeditor/main/app/view/Toolbar.js
index 8fc62a9cd..342689c68 100644
--- a/apps/presentationeditor/main/app/view/Toolbar.js
+++ b/apps/presentationeditor/main/app/view/Toolbar.js
@@ -1398,6 +1398,9 @@ define([
             setMode: function (mode) {
                 if (mode.isDisconnected) {
                     this.lockToolbar(PE.enumLock.lostConnect, true);
+                    this.lockToolbar( PE.enumLock.lostConnect, true, {array:[this.btnUndo,this.btnRedo,this.btnSave]} );
+                    if ( this.synchTooltip )
+                        this.synchTooltip.hide();
                     if (!mode.enableDownload)
                         this.lockToolbar(PE.enumLock.cantPrint, true, {array: [this.btnPrint]});
                 } else
diff --git a/apps/spreadsheeteditor/main/app/view/Toolbar.js b/apps/spreadsheeteditor/main/app/view/Toolbar.js
index 444f1e459..3264e52fe 100644
--- a/apps/spreadsheeteditor/main/app/view/Toolbar.js
+++ b/apps/spreadsheeteditor/main/app/view/Toolbar.js
@@ -396,6 +396,7 @@ define([
                     id          : 'id-toolbar-btn-save',
                     cls         : 'btn-toolbar',
                     iconCls     : 'toolbar__icon no-mask ' + me.btnSaveCls,
+                    lock        : [_set.lostConnect],
                     signals     : ['disabled']
                 });
                 me.btnCollabChanges = me.btnSave;
@@ -2213,7 +2214,9 @@ define([
             if (mode.isDisconnected) {
                 this.lockToolbar( SSE.enumLock.lostConnect, true );
                 this.lockToolbar( SSE.enumLock.lostConnect, true,
-                    {array:[this.btnEditChart, this.btnEditChartData, this.btnEditChartType, this.btnUndo,this.btnRedo]} );
+                    {array:[this.btnEditChart, this.btnEditChartData, this.btnEditChartType, this.btnUndo,this.btnRedo,this.btnSave]} );
+                if ( this.synchTooltip )
+                    this.synchTooltip.hide();
                 if (!mode.enableDownload)
                     this.lockToolbar(SSE.enumLock.cantPrint, true, {array: [this.btnPrint]});
             } else {