diff --git a/src/currency_core/blockchain_storage.cpp b/src/currency_core/blockchain_storage.cpp
index f88d60c6..a6f7daf3 100644
--- a/src/currency_core/blockchain_storage.cpp
+++ b/src/currency_core/blockchain_storage.cpp
@@ -5210,7 +5210,10 @@ bool blockchain_storage::validate_alt_block_input(const transaction& input_tx, s
 
     // TODO: consider checking p->tx for unlock time validity as it's checked in get_output_keys_for_input_with_checks()
     // make sure it was actually found
-    CHECK_AND_ASSERT_MES(pk != null_pkey, false, "Can't determine output public key for offset " << pk_n);
+    
+    // let's disable this check due to missing equal check in main chain validation code
+    //TODO: implement more strict validation with next hard fork
+    //CHECK_AND_ASSERT_MES(pk != null_pkey, false, "Can't determine output public key for offset " << pk_n << " in related tx: " << tx_id << ", out_n = " << out_n);
     pub_key_pointers.push_back(&pk);
   }
 
diff --git a/utils/configure_win64_msvs2017_gui_testnet.cmd b/utils/configure_win64_msvs2017_gui_testnet.cmd
new file mode 100644
index 00000000..892a199a
--- /dev/null
+++ b/utils/configure_win64_msvs2017_gui_testnet.cmd
@@ -0,0 +1,7 @@
+call configure_local_paths.cmd
+
+cd ..
+@mkdir build_msvc2017_64_tn
+cd build_msvc2017_64_tn
+
+cmake -D TESTNET=TRUE -D USE_PCH=TRUE -D BUILD_TESTS=TRUE -D CMAKE_PREFIX_PATH="%QT_PREFIX_PATH%"\msvc2017_64 -D BUILD_GUI=TRUE -D STATIC=FALSE -DBOOST_ROOT="%BOOST_ROOT%" -DBOOST_LIBRARYDIR="%BOOST_ROOT%\lib64-msvc-14.1" -G "Visual Studio 15 2017 Win64" -T host=x64 ".."
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