diff --git a/apps/documenteditor/main/app/controller/RightMenu.js b/apps/documenteditor/main/app/controller/RightMenu.js
index b162d3c5d..c27cb995a 100644
--- a/apps/documenteditor/main/app/controller/RightMenu.js
+++ b/apps/documenteditor/main/app/controller/RightMenu.js
@@ -214,7 +214,7 @@ define([
                 if (!this._settings[Common.Utils.documentSettingsType.MailMerge].locked) // lock MailMerge-InsertField, если хотя бы один объект locked
                     this._settings[Common.Utils.documentSettingsType.MailMerge].locked = value.get_Locked() || isProtected;
                 if (!this._settings[Common.Utils.documentSettingsType.Signature].locked) // lock Signature, если хотя бы один объект locked
-                    this._settings[Common.Utils.documentSettingsType.Signature].locked = value.get_Locked() || isProtected;
+                    this._settings[Common.Utils.documentSettingsType.Signature].locked = value.get_Locked();
             }
 
             if (control_props && control_props.get_FormPr() && this.rightmenu.formSettings) {
@@ -265,6 +265,9 @@ define([
             if (!this._settings[Common.Utils.documentSettingsType.MailMerge].hidden)
                 this._settings[Common.Utils.documentSettingsType.MailMerge].panel.setLocked(this._settings[Common.Utils.documentSettingsType.MailMerge].locked);
 
+            if (!this._settings[Common.Utils.documentSettingsType.Signature].hidden)
+                this._settings[Common.Utils.documentSettingsType.Signature].panel.setProtected(isProtected);
+
             if (!this.rightmenu.minimizedMode || open) {
                 var active;
 
@@ -428,6 +431,7 @@ define([
             this._settings[type].hidden = disabled ? 1 : 0;
             this._settings[type].btn.setDisabled(disabled);
             this._settings[type].panel.setLocked(this._settings[type].locked);
+            this._settings[type].panel.setProtected(this._state.docProtection ? this._state.docProtection.isReadOnly || this._state.docProtection.isFormsOnly || this._state.docProtection.isCommentsOnly : false);
         },
 
         SetDisabled: function(disabled, allowMerge, allowSignature) {
diff --git a/apps/documenteditor/main/app/view/SignatureSettings.js b/apps/documenteditor/main/app/view/SignatureSettings.js
index 407842107..c2cf3cdb0 100644
--- a/apps/documenteditor/main/app/view/SignatureSettings.js
+++ b/apps/documenteditor/main/app/view/SignatureSettings.js
@@ -71,6 +71,7 @@ define([
                 tip: undefined
             };
             this._locked = false;
+            this._protected = false;
 
             this.render();
         },
@@ -156,6 +157,10 @@ define([
             this._locked = locked;
         },
 
+        setProtected: function (value) {
+            this._protected = value;
+        },
+
         setMode: function(mode) {
             this.mode = mode;
         },
@@ -288,7 +293,7 @@ define([
             menu.items[3].setVisible(!requested);
 
             menu.items[0].setDisabled(this._locked);
-            menu.items[3].setDisabled(this._locked);
+            menu.items[3].setDisabled(this._locked || this._protected);
 
             menu.items[1].cmpEl.attr('data-value', record.get('certificateId')); // view certificate
             menu.items[2].cmpEl.attr('data-value', signed ? 1 : 0); // view or edit signature settings
@@ -307,7 +312,7 @@ define([
                     this.api.asc_ViewCertificate(item.cmpEl.attr('data-value'));
                     break;
                 case 2:
-                    Common.NotificationCenter.trigger('protect:signature', 'visible', !!parseInt(item.cmpEl.attr('data-value')), guid);// can edit settings for requested signature
+                    Common.NotificationCenter.trigger('protect:signature', 'visible', !!parseInt(item.cmpEl.attr('data-value')) || this._protected, guid);// can edit settings for requested signature
                     break;
                 case 3:
                     var me = this;