diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index ec66929b76..ce580c49be 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -4,6 +4,7 @@ Yii Framework 2 Change Log
 2.0.49 under development
 ------------------------
 
+- Bug #9899: Fix caching a MSSQL query with BLOB data type (terabytesoftw)
 - Bug #16208: Fix `yii\log\FileTarget` to not export empty messages (terabytesoftw)
 - Bug #19857: Fix AttributeTypecastBehavior::resetOldAttributes() causes "class has no attribute named" InvalidArgumentException (uaoleg)
 - Bug #18859: Fix `yii\web\Controller::bindInjectedParams()` to not throw error when argument of `ReflectionUnionType` type is passed (bizley)
diff --git a/framework/caching/DbCache.php b/framework/caching/DbCache.php
index 5bf3b02ded..d707ba41a2 100644
--- a/framework/caching/DbCache.php
+++ b/framework/caching/DbCache.php
@@ -317,7 +317,7 @@ class DbCache extends Cache
      */
     protected function getDataFieldName()
     {
-        return $this->isVarbinaryDataField() ? 'convert(nvarchar(max),[data]) data' : 'data';
+        return $this->isVarbinaryDataField() ? 'CONVERT(VARCHAR(MAX), [[data]]) data' : 'data';
     }
 
     /**
diff --git a/framework/db/mssql/QueryBuilder.php b/framework/db/mssql/QueryBuilder.php
index cc3595519c..1225c466cc 100644
--- a/framework/db/mssql/QueryBuilder.php
+++ b/framework/db/mssql/QueryBuilder.php
@@ -460,10 +460,9 @@ class QueryBuilder extends \yii\db\QueryBuilder
             $columnSchemas = $tableSchema->columns;
             foreach ($columns as $name => $value) {
                 // @see https://github.com/yiisoft/yii2/issues/12599
-                if (isset($columnSchemas[$name]) && $columnSchemas[$name]->type === Schema::TYPE_BINARY && $columnSchemas[$name]->dbType === 'varbinary' && (is_string($value) || $value === null)) {
-                    $phName = $this->bindParam($value, $params);
+                if (isset($columnSchemas[$name]) && $columnSchemas[$name]->type === Schema::TYPE_BINARY && $columnSchemas[$name]->dbType === 'varbinary' && (is_string($value))) {
                     // @see https://github.com/yiisoft/yii2/issues/12599
-                    $columns[$name] = new Expression("CONVERT(VARBINARY(MAX), $phName)", $params);
+                    $columns[$name] = new Expression('CONVERT(VARBINARY(MAX), ' . ('0x' . bin2hex($value)) . ')');
                 }
             }
         }
diff --git a/tests/framework/db/mssql/CommandTest.php b/tests/framework/db/mssql/CommandTest.php
index b09f87bb6b..25a58a3a9e 100644
--- a/tests/framework/db/mssql/CommandTest.php
+++ b/tests/framework/db/mssql/CommandTest.php
@@ -134,22 +134,19 @@ class CommandTest extends \yiiunit\framework\db\CommandTest
     {
         $db = $this->getConnection();
 
-        $testData = json_encode(['test' => 'string', 'test2' => 'integer']);
+        $qb = $db->getQueryBuilder();
+        $testData = json_encode(['test' => 'string', 'test2' => 'integer'], JSON_THROW_ON_ERROR);
+
         $params = [];
 
-        $qb = $db->getQueryBuilder();
-        $sql = $qb->upsert('T_upsert_varbinary', ['id' => 1, 'blob_col' => $testData] , ['blob_col' => $testData], $params);
-
+        $sql = $qb->upsert('T_upsert_varbinary', ['id' => 1, 'blob_col' => $testData], ['blob_col' => $testData], $params);
         $result = $db->createCommand($sql, $params)->execute();
 
-        $this->assertEquals(1, $result);
-
-        $query = (new Query())
-            ->select(['convert(nvarchar(max),blob_col) as blob_col'])
-            ->from('T_upsert_varbinary')
-            ->where(['id' => 1]);
+        $this->assertSame(1, $result);
 
+        $query = (new Query())->select(['blob_col'])->from('T_upsert_varbinary')->where(['id' => 1]);
         $resultData = $query->createCommand($db)->queryOne();
-        $this->assertEquals($testData, $resultData['blob_col']);
+
+        $this->assertSame($testData, $resultData['blob_col']);
     }
 }
diff --git a/tests/framework/db/mssql/QueryCacheTest.php b/tests/framework/db/mssql/QueryCacheTest.php
new file mode 100644
index 0000000000..b35c11fde1
--- /dev/null
+++ b/tests/framework/db/mssql/QueryCacheTest.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * @link https://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license https://www.yiiframework.com/license/
+ */
+
+namespace yiiunit\framework\db\mssql;
+
+use yii\caching\FileCache;
+use yii\db\Query;
+use yiiunit\framework\db\DatabaseTestCase;
+
+/**
+ * @group db
+ * @group mssql
+ */
+class QueryCacheTest extends DatabaseTestCase
+{
+    protected $driverName = 'sqlsrv';
+
+    public function testQueryCacheFileCache()
+    {
+        $db = $this->getConnection();
+        $db->enableQueryCache = true;
+        $db->queryCache = new FileCache(['cachePath' => '@yiiunit/runtime/cache']);
+
+        $db->createCommand()->delete('type')->execute();
+        $db->createCommand()->insert('type', [
+            'int_col' => $key = 1,
+            'char_col' => '',
+            'char_col2' => '6a3ce1a0bffe8eeb6fa986caf443e24c',
+            'float_col' => 0.0,
+            'blob_col' => 'a:1:{s:13:"template";s:1:"1";}',
+            'bool_col' => true,
+        ])->execute();
+
+        $function = function($db) use ($key){
+            return (new Query())
+                ->select(['blob_col'])
+                ->from('type')
+                ->where(['int_col' => $key])
+                ->createCommand($db)
+                ->queryScalar();
+        };
+
+        // First run return
+        $result = $db->cache($function);
+        $this->assertSame('a:1:{s:13:"template";s:1:"1";}', $result);
+
+        // After the request has been cached return
+        $result = $db->cache($function);
+        $this->assertSame('a:1:{s:13:"template";s:1:"1";}', $result);
+    }
+}
diff --git a/tests/framework/db/mssql/type/VarbinaryTest.php b/tests/framework/db/mssql/type/VarbinaryTest.php
new file mode 100644
index 0000000000..b72a2b4c46
--- /dev/null
+++ b/tests/framework/db/mssql/type/VarbinaryTest.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ * @link https://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license https://www.yiiframework.com/license/
+ */
+
+namespace yiiunit\framework\db\mssql\Type;
+
+use yii\db\Query;
+use yiiunit\framework\db\DatabaseTestCase;
+
+/**
+ * @group db
+ * @group mssql
+ */
+class VarbinaryTest extends DatabaseTestCase
+{
+    protected $driverName = 'sqlsrv';
+
+    public function testVarbinary()
+    {
+        $db = $this->getConnection();
+
+        $db->createCommand()->delete('type')->execute();
+        $db->createCommand()->insert('type', [
+            'int_col' => $key = 1,
+            'char_col' => '',
+            'char_col2' => '6a3ce1a0bffe8eeb6fa986caf443e24c',
+            'float_col' => 0.0,
+            'blob_col' => 'a:1:{s:13:"template";s:1:"1";}',
+            'bool_col' => true,
+        ])->execute();
+
+        $result = (new Query())
+            ->select(['blob_col'])
+            ->from('type')
+            ->where(['int_col' => $key])
+            ->createCommand($db)
+            ->queryScalar();
+
+        $this->assertSame('a:1:{s:13:"template";s:1:"1";}', $result);
+    }
+}