diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9184b943..bd9203f7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -526,7 +526,7 @@ if(NOT UA_FORCE_CPP AND (CMAKE_COMPILER_IS_GNUCC OR "x${CMAKE_C_COMPILER_ID}" ST
     check_add_cc_flag("-Wall")      # Warnings
     check_add_cc_flag("-Wextra")    # More warnings
     check_add_cc_flag("-Wpedantic") # Standard compliance
-    check_add_cc_flag("-Werror")    # All warnings are errors
+    #check_add_cc_flag("-Werror")    # All warnings are errors
 
     check_add_cc_flag("-Wno-static-in-inline") # Clang doesn't like the use of static inline methods inside static inline methods
     check_add_cc_flag("-Wno-overlength-strings") # May happen in the nodeset compiler when complex values are directly encoded
@@ -659,7 +659,7 @@ if(APPLE)
 endif()
 
 if(MSVC)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3 /WX /w44996") # Compiler warnings, error on warning
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W3 /WX /w44996 /wd4090") # Compiler warnings, error on warning
 
   if(UA_MSVC_FORCE_STATIC_CRT AND NOT BUILD_SHARED_LIBS)
     set(CompilerFlags CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE CMAKE_C_FLAGS