diff --git a/src/main/java/org/support/project/knowledge/config/UserConfig.java b/src/main/java/org/support/project/knowledge/config/UserConfig.java
index 6c50a7b75..ae522d33e 100644
--- a/src/main/java/org/support/project/knowledge/config/UserConfig.java
+++ b/src/main/java/org/support/project/knowledge/config/UserConfig.java
@@ -13,5 +13,6 @@ public class UserConfig {
     public static final String THEMA = "THEMA";
     public static final String HIGHLIGHT = "HIGHLIGHT";
     
+    public static final String STEALTH_ACCESS = "STEALTH_ACCESS";
     
 }
diff --git a/src/main/java/org/support/project/knowledge/control/admin/UsersControl.java b/src/main/java/org/support/project/knowledge/control/admin/UsersControl.java
index e636538c2..ac8521107 100644
--- a/src/main/java/org/support/project/knowledge/control/admin/UsersControl.java
+++ b/src/main/java/org/support/project/knowledge/control/admin/UsersControl.java
@@ -6,12 +6,14 @@
 import java.util.Map;
 
 import org.support.project.common.bean.ValidateError;
+import org.support.project.common.config.INT_FLAG;
 import org.support.project.common.util.PropertyUtil;
 import org.support.project.common.util.StringUtils;
 import org.support.project.di.DI;
 import org.support.project.di.Instance;
 import org.support.project.knowledge.config.AppConfig;
 import org.support.project.knowledge.config.SystemConfig;
+import org.support.project.knowledge.config.UserConfig;
 import org.support.project.knowledge.control.Control;
 import org.support.project.knowledge.logic.MailLogic;
 import org.support.project.knowledge.logic.UserLogicEx;
@@ -25,10 +27,12 @@
 import org.support.project.web.dao.ProvisionalRegistrationsDao;
 import org.support.project.web.dao.RolesDao;
 import org.support.project.web.dao.SystemConfigsDao;
+import org.support.project.web.dao.UserConfigsDao;
 import org.support.project.web.dao.UsersDao;
 import org.support.project.web.entity.ProvisionalRegistrationsEntity;
 import org.support.project.web.entity.RolesEntity;
 import org.support.project.web.entity.SystemConfigsEntity;
+import org.support.project.web.entity.UserConfigsEntity;
 import org.support.project.web.entity.UsersEntity;
 import org.support.project.web.exception.InvalidParamException;
 
@@ -169,10 +173,22 @@ public Boundary view_edit() throws InvalidParamException {
 
         // 登録されているロールをセット
         setSystemRoles(user);
+        
+        // 保存されているユーザの設定情報をセット
+        setUserConfigs(user);
 
         return forward("view_edit.jsp");
     }
 
+    private void setUserConfigs(UsersEntity user) {
+        UserConfigsEntity stealth = UserConfigsDao.get().selectOnKey(UserConfig.STEALTH_ACCESS, AppConfig.get().getSystemName(), user.getUserId());
+        if (stealth != null) {
+            setAttribute(UserConfig.STEALTH_ACCESS, stealth.getConfigValue());
+        } else {
+            setAttribute(UserConfig.STEALTH_ACCESS, String.valueOf(INT_FLAG.OFF.getValue()));
+        }
+    }
+
     /**
      * ユーザを追加
      * 
@@ -213,6 +229,18 @@ public Boundary create() {
         user = UserLogicEx.get().insert(user, roles);
         setAttributeOnProperty(user);
 
+        String stealth = getParam("STEALTH_ACCESS");
+        if ("1".equals(stealth)) {
+            UserConfigsEntity config = new UserConfigsEntity(UserConfig.STEALTH_ACCESS, AppConfig.get().getSystemName(), user.getUserId());
+            config.setConfigValue("1");
+            UserConfigsDao.get().save(config);
+        } else {
+            UserConfigsEntity config = UserConfigsDao.get().selectOnKey(UserConfig.STEALTH_ACCESS, AppConfig.get().getSystemName(), user.getUserId());
+            if (stealth != null) {
+                UserConfigsDao.get().physicalDelete(config);
+            }
+        }
+        
         // 登録されているロールをセット
         setSystemRoles(user);
 
@@ -280,6 +308,18 @@ public Boundary save() {
         user = UserLogicEx.get().update(user, roles, getLoginedUser());
         setAttributeOnProperty(user);
 
+        String stealth = getParam("STEALTH_ACCESS");
+        if ("1".equals(stealth)) {
+            UserConfigsEntity config = new UserConfigsEntity(UserConfig.STEALTH_ACCESS, AppConfig.get().getSystemName(), user.getUserId());
+            config.setConfigValue("1");
+            UserConfigsDao.get().save(config);
+        } else {
+            UserConfigsEntity config = UserConfigsDao.get().selectOnKey(UserConfig.STEALTH_ACCESS, AppConfig.get().getSystemName(), user.getUserId());
+            if (stealth != null) {
+                UserConfigsDao.get().physicalDelete(config);
+            }
+        }
+        
         // 登録されているロールをセット
         setSystemRoles(user);
 
diff --git a/src/main/java/org/support/project/knowledge/control/open/KnowledgeControl.java b/src/main/java/org/support/project/knowledge/control/open/KnowledgeControl.java
index 0ef38c737..de00ed34c 100644
--- a/src/main/java/org/support/project/knowledge/control/open/KnowledgeControl.java
+++ b/src/main/java/org/support/project/knowledge/control/open/KnowledgeControl.java
@@ -18,6 +18,7 @@
 import org.support.project.di.Instance;
 import org.support.project.knowledge.config.AppConfig;
 import org.support.project.knowledge.config.SystemConfig;
+import org.support.project.knowledge.config.UserConfig;
 import org.support.project.knowledge.control.KnowledgeControlBase;
 import org.support.project.knowledge.dao.CommentsDao;
 import org.support.project.knowledge.dao.DraftItemValuesDao;
@@ -77,7 +78,6 @@
 import org.support.project.web.entity.UserConfigsEntity;
 import org.support.project.web.entity.UsersEntity;
 import org.support.project.web.exception.InvalidParamException;
-import org.support.project.web.logic.UserLogic;
 
 /**
  * ナレッジ操作のコントロール
@@ -225,7 +225,10 @@ public Boundary view() throws InvalidParamException, ParseException {
         List<StocksEntity> stocks = StocksDao.get().selectStockOnKnowledge(entity, loginedUser);
         setAttribute("stocks", stocks);
         
-        ActivityLogic.get().processActivity(Activity.KNOWLEDGE_SHOW, getLoginedUser(), DateUtils.now(), entity);
+        UserConfigsEntity stealth = UserConfigsDao.get().selectOnKey(UserConfig.STEALTH_ACCESS, AppConfig.get().getSystemName(), getLoginUserId());
+        if (stealth == null || !"1".equals(stealth.getConfigValue())) {
+            ActivityLogic.get().processActivity(Activity.KNOWLEDGE_SHOW, getLoginedUser(), DateUtils.now(), entity);
+        }
         long point = KnowledgesDao.get().selectPoint(entity.getKnowledgeId());
         setAttribute("point", point);
         
diff --git a/src/main/java/org/support/project/knowledge/dao/KnowledgesDao.java b/src/main/java/org/support/project/knowledge/dao/KnowledgesDao.java
index 183bf27f5..840873241 100644
--- a/src/main/java/org/support/project/knowledge/dao/KnowledgesDao.java
+++ b/src/main/java/org/support/project/knowledge/dao/KnowledgesDao.java
@@ -2,7 +2,6 @@
 
 import java.sql.Timestamp;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 
 import org.support.project.aop.Aspect;
diff --git a/src/main/resources/appresource.properties b/src/main/resources/appresource.properties
index c38642688..10e97eb8f 100644
--- a/src/main/resources/appresource.properties
+++ b/src/main/resources/appresource.properties
@@ -443,6 +443,7 @@ knowledge.user.add.title=Add User
 knowledge.user.edit.title=Edit User
 knowledge.user.invalid.same.password=Password and Confirm Password has a different
 knowledge.user.mail.exist=The Email Address already registered
+knowledge.user.stealth.access=Stealth Access to article
 
 knowledge.group.view.title=View Group
 knowledge.group.view.label.groupname=Group name
diff --git a/src/main/resources/appresource_ja.properties b/src/main/resources/appresource_ja.properties
index a3b1c1d74..0a0425671 100644
--- a/src/main/resources/appresource_ja.properties
+++ b/src/main/resources/appresource_ja.properties
@@ -443,6 +443,7 @@ knowledge.user.add.title=ユーザの追加
 knowledge.user.edit.title=ユーザの更新
 knowledge.user.invalid.same.password=PasswordとConfirm Passwordが違っています
 knowledge.user.mail.exist=既に登録されているEmail Addressです
+knowledge.user.stealth.access=記事へアクセスした履歴を通知しない
 
 knowledge.group.view.title=グループ表示
 knowledge.group.view.label.groupname=グループ名
diff --git a/src/main/webapp/WEB-INF/views/admin/users/view_add.jsp b/src/main/webapp/WEB-INF/views/admin/users/view_add.jsp
index 8df8ff255..b934be1b1 100644
--- a/src/main/webapp/WEB-INF/views/admin/users/view_add.jsp
+++ b/src/main/webapp/WEB-INF/views/admin/users/view_add.jsp
@@ -23,54 +23,62 @@
 
 <form action="<%= request.getContextPath()%>/admin.users/create" method="post" role="form">
 <div class="alert alert-info alert-dismissible" role="alert">
-	<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
-	<strong>Information</strong><br/>
-	- <%= jspUtil.label("knowledge.account.id.info1") %><br/>
-	- <%= jspUtil.label("knowledge.account.id.info2") %>
+    <button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+    <strong>Information</strong><br/>
+    - <%= jspUtil.label("knowledge.account.id.info1") %><br/>
+    - <%= jspUtil.label("knowledge.account.id.info2") %>
 </div>
 
 
-	<div class="form-group">
-		<label for="userKey"><%= jspUtil.label("knowledge.signup.label.mail") %></label>
-		<input type="text" class="form-control" name="userKey" id="userKey" placeholder="Mail Address" value="<%= jspUtil.out("userKey") %>" />
-	</div>
-	<div class="form-group">
-		<label for="userName"><%= jspUtil.label("knowledge.signup.label.name") %></label>
-		<input type="text" class="form-control" name="userName" id="userName" placeholder="User Name" value="<%= jspUtil.out("userName") %>" />
-	</div>
-	
-	<div class="form-group">
-		<label for="password"><%= jspUtil.label("knowledge.signup.label.password") %></label>
-		<input type="password" class="form-control" name="password" id="password" placeholder="Password" value="<%= jspUtil.out("password") %>" />
-	</div>
-	<div class="form-group">
-		<label for="confirm_password"><%= jspUtil.label("knowledge.signup.label.confirm.password") %></label>
-		<input type="password" class="form-control" name="confirm_password" id="confirm_password"
-			placeholder="Confirm Password" value="<%= jspUtil.out("confirm_password") %>" />
-	</div>
-	
-	<div class="form-group">
-		<label for="role_${role.roleId}"><%= jspUtil.label("label.role") %></label><br/>
-		<c:forEach var="role" items="${systemRoles}" varStatus="status">		
-		<label class="radio-inline">
-			<input type="checkbox" value="<%= jspUtil.out("role.roleKey") %>" name="roles" 
-				id="role_${role.roleId}" <% 
-					if (jspUtil.getValue("role", Roles.class).isChecked()) {
-						out.write("checked=\"checked\"");
-					} 
-				%>/>
-			<%= jspUtil.out("role.roleName") %>
-		</label>
-		</c:forEach>
-	</div>
-	
-	<input type="hidden" name="offset" value="<%= jspUtil.out("offset") %>" />
-	
-	
-	<button type="submit" class="btn btn-primary"><i class="fa fa-save"></i>&nbsp;<%= jspUtil.label("label.registration") %></button>
-	<a href="<%= request.getContextPath() %>/admin.users/list/<%= jspUtil.out("offset") %>"
-	class="btn btn-success" role="button"><i class="fa fa-list-ul"></i>&nbsp;<%= jspUtil.label("label.backlist") %></a>
-	
+    <div class="form-group">
+        <label for="userKey"><%= jspUtil.label("knowledge.signup.label.mail") %></label>
+        <input type="text" class="form-control" name="userKey" id="userKey" placeholder="Mail Address" value="<%= jspUtil.out("userKey") %>" />
+    </div>
+    <div class="form-group">
+        <label for="userName"><%= jspUtil.label("knowledge.signup.label.name") %></label>
+        <input type="text" class="form-control" name="userName" id="userName" placeholder="User Name" value="<%= jspUtil.out("userName") %>" />
+    </div>
+    
+    <div class="form-group">
+        <label for="password"><%= jspUtil.label("knowledge.signup.label.password") %></label>
+        <input type="password" class="form-control" name="password" id="password" placeholder="Password" value="<%= jspUtil.out("password") %>" />
+    </div>
+    <div class="form-group">
+        <label for="confirm_password"><%= jspUtil.label("knowledge.signup.label.confirm.password") %></label>
+        <input type="password" class="form-control" name="confirm_password" id="confirm_password"
+            placeholder="Confirm Password" value="<%= jspUtil.out("confirm_password") %>" />
+    </div>
+    
+    <div class="form-group">
+        <label for="role_${role.roleId}"><%= jspUtil.label("label.role") %></label><br/>
+        <c:forEach var="role" items="${systemRoles}" varStatus="status">
+        <label class="radio-inline">
+            <input type="checkbox" value="<%= jspUtil.out("role.roleKey") %>" name="roles" 
+                id="role_${role.roleId}" <% 
+                    if (jspUtil.getValue("role", Roles.class).isChecked()) {
+                        out.write("checked=\"checked\"");
+                    } 
+                %>/>
+            <%= jspUtil.out("role.roleName") %>
+        </label>
+        </c:forEach>
+    </div>
+    
+    <div class="form-group">
+        <label><%= jspUtil.label("knowledge.user.stealth.access") %></label><br/>
+        <label class="radio-inline">
+            <input type="checkbox" value="1" name="STEALTH_ACCESS" <%= jspUtil.checked("1", "STEALTH_ACCESS", false) %> />
+            ON
+        </label>
+    </div>
+
+    
+    <input type="hidden" name="offset" value="<%= jspUtil.out("offset") %>" />
+    
+    <button type="submit" class="btn btn-primary"><i class="fa fa-save"></i>&nbsp;<%= jspUtil.label("label.registration") %></button>
+    <a href="<%= request.getContextPath() %>/admin.users/list/<%= jspUtil.out("offset") %>"
+    class="btn btn-success" role="button"><i class="fa fa-list-ul"></i>&nbsp;<%= jspUtil.label("label.backlist") %></a>
+    
 </form>
 
 
diff --git a/src/main/webapp/WEB-INF/views/admin/users/view_edit.jsp b/src/main/webapp/WEB-INF/views/admin/users/view_edit.jsp
index 0e6423458..c1d7f5df4 100644
--- a/src/main/webapp/WEB-INF/views/admin/users/view_edit.jsp
+++ b/src/main/webapp/WEB-INF/views/admin/users/view_edit.jsp
@@ -122,6 +122,14 @@ function deleteUser() {
         </c:forEach>
     </div>
 
+    <div class="form-group">
+        <label><%= jspUtil.label("knowledge.user.stealth.access") %></label><br/>
+        <label class="radio-inline">
+            <input type="checkbox" value="1" name="STEALTH_ACCESS" <%= jspUtil.checked("1", "STEALTH_ACCESS", false) %> />
+            ON
+        </label>
+    </div>
+
     <div class="form-group">
         <label for="input_no"><%= jspUtil.label("label.regist.datetime") %> / <%= jspUtil.label("label.update.datetime") %></label>
         <p class="form-control-static">