diff --git a/apps/documenteditor/main/app/controller/DocumentHolder.js b/apps/documenteditor/main/app/controller/DocumentHolder.js
index 7666117ea8..2b03599cea 100644
--- a/apps/documenteditor/main/app/controller/DocumentHolder.js
+++ b/apps/documenteditor/main/app/controller/DocumentHolder.js
@@ -336,6 +336,13 @@ define([
                     } else if (type === Asc.c_oAscTypeSelectElement.Paragraph || type === Asc.c_oAscTypeSelectElement.Table || type === Asc.c_oAscTypeSelectElement.Header) {
                         var value = selectedElements[i].get_ObjectValue();
                         value && (locked = locked || value.get_Locked());
+                    } else if (type === Asc.c_oAscTypeSelectElement.UnProtectedRegion) { //(unprotected region)
+                        var value = selectedElements[i].get_ObjectValue();
+                        me.documentHolder._unprotectedRegion = {
+                            canEditText: value.get_canEditText(),
+                            canEditPara: value.get_canEditPara(),
+                            canInsObject: value.get_canInsObject()
+                        };
                     }
                 }
                 if (in_equation) {
diff --git a/apps/documenteditor/main/app/controller/DocumentHolderExt.js b/apps/documenteditor/main/app/controller/DocumentHolderExt.js
index d99115ba6b..997f477d94 100644
--- a/apps/documenteditor/main/app/controller/DocumentHolderExt.js
+++ b/apps/documenteditor/main/app/controller/DocumentHolderExt.js
@@ -861,7 +861,8 @@ define([], function () {
         dh.disableSpecialPaste = function() {
             var pasteContainer = this.documentHolder.cmpEl.find('#special-paste-container'),
                 docProtection = this.documentHolder._docProtection,
-                disabled = this._isDisabled || docProtection.isReadOnly || docProtection.isCommentsOnly;
+                unprotectedRegion = this.documentHolder._unprotectedRegion,
+                disabled = this._isDisabled || docProtection.isReadOnly && !unprotectedRegion.canInsObject || docProtection.isCommentsOnly && !unprotectedRegion.canInsObject;
 
             if (pasteContainer.length>0 && pasteContainer.is(':visible')) {
                 this.btnSpecialPaste.setDisabled(!!disabled);
@@ -2276,7 +2277,8 @@ define([], function () {
         dh.disableEquationBar = function() {
             var eqContainer = this.documentHolder.cmpEl.find('#equation-container'),
                 docProtection = this.documentHolder._docProtection,
-                disabled = this._isDisabled || this._state.equationLocked || docProtection.isReadOnly || docProtection.isFormsOnly || docProtection.isCommentsOnly;
+                unprotectedRegion = this.documentHolder._unprotectedRegion,
+                disabled = this._isDisabled || this._state.equationLocked || docProtection.isReadOnly && !unprotectedRegion.canInsObject || docProtection.isFormsOnly || docProtection.isCommentsOnly && !unprotectedRegion.canInsObject;
 
             if (eqContainer.length>0 && eqContainer.is(':visible')) {
                 this.equationBtns.forEach(function(item){
diff --git a/apps/documenteditor/main/app/view/DocumentHolder.js b/apps/documenteditor/main/app/view/DocumentHolder.js
index 1ceca56ac9..4d459c3da1 100644
--- a/apps/documenteditor/main/app/view/DocumentHolder.js
+++ b/apps/documenteditor/main/app/view/DocumentHolder.js
@@ -73,6 +73,11 @@ define([
                 isFormsOnly: false,
                 isCommentsOnly: false
             };
+            this._unprotectedRegion = {
+                canEditText: false,
+                canEditPara: false,
+                canInsObject: false
+            };
             this._langs = null;
         },
 
diff --git a/apps/documenteditor/main/app/view/DocumentHolderExt.js b/apps/documenteditor/main/app/view/DocumentHolderExt.js
index b374bacd03..b232e41751 100644
--- a/apps/documenteditor/main/app/view/DocumentHolderExt.js
+++ b/apps/documenteditor/main/app/view/DocumentHolderExt.js
@@ -2134,7 +2134,7 @@ define([], function () {
                     }
 
                     me.menuViewUndo.setVisible(me.mode.canCoAuthoring && me.mode.canComments && !me._isDisabled);
-                    me.menuViewUndo.setDisabled(!me.api.asc_getCanUndo() || me._docProtection.isReadOnly);
+                    me.menuViewUndo.setDisabled(!me.api.asc_getCanUndo());
                     me.menuViewCopySeparator.setVisible(isInSign);
 
                     var isRequested = (signProps) ? signProps.asc_getRequested() : false;