diff --git a/src/iceberg/test/CMakeLists.txt b/src/iceberg/test/CMakeLists.txt
index 37e20e339..2bc6bb3d6 100644
--- a/src/iceberg/test/CMakeLists.txt
+++ b/src/iceberg/test/CMakeLists.txt
@@ -21,6 +21,15 @@ set(ICEBERG_TEST_RESOURCES "${CMAKE_SOURCE_DIR}/src/iceberg/test/resources")
 
 configure_file("test_config.h.in" "test_config.h")
 
+# vcpkg's z-applocal POST_BUILD copies dependency DLLs into this shared test
+# directory. Ninja appends that command to the link recipe, so a link pool of
+# depth 1 also serializes the copies. Parallel copies fail with a file lock
+# (https://github.com/apache/iceberg-cpp/issues/944).
+if(WIN32 AND CMAKE_GENERATOR MATCHES "Ninja")
+  set_property(GLOBAL APPEND PROPERTY JOB_POOLS test_link_job_pool=1)
+  set(CMAKE_JOB_POOL_LINK test_link_job_pool)
+endif()
+
 function(add_iceberg_test test_name)
   set(options USE_BUNDLE USE_DATA)
   set(oneValueArgs)