diff --git a/test/client/uv_stream.lua b/test/client/uv_stream.lua
index 6e1a6995be..af0abd37a9 100644
--- a/test/client/uv_stream.lua
+++ b/test/client/uv_stream.lua
@@ -67,8 +67,15 @@ function SocketStream.open(file)
     _stream_error = nil,
   }, SocketStream)
   uv.pipe_connect(socket, file, function(err)
+    uv.stop()
     self._stream_error = self._stream_error or err
   end)
+  -- On Windows, writing to the pipe doesn't work if it's not connected yet,
+  -- so wait for the connect callback to be called.
+  uv.run()
+  if self._stream_error then
+    error(self._stream_error)
+  end
   return self
 end
 
diff --git a/test/functional/ui/embed_spec.lua b/test/functional/ui/embed_spec.lua
index 6d8b629bf3..6b5acaa1c6 100644
--- a/test/functional/ui/embed_spec.lua
+++ b/test/functional/ui/embed_spec.lua
@@ -284,7 +284,6 @@ describe('--embed UI', function()
   end)
 
   it('closing stdio with another remote UI does not leak memory #36392', function()
-    t.skip(t.is_os('win'), 'n.connect() hangs on Windows')
     clear({ args_rm = { '--headless' } })
     Screen.new()
     eq(1, #api.nvim_list_uis())
@@ -299,7 +298,6 @@ end)
 
 describe('--embed --listen UI', function()
   it('waits for connection on listening address', function()
-    t.skip(t.is_os('win'))
     clear()
     local child_server = assert(n.new_pipename())
     fn.jobstart({
diff --git a/test/functional/ui/messages_spec.lua b/test/functional/ui/messages_spec.lua
index 3e53b6b870..02b0391519 100644
--- a/test/functional/ui/messages_spec.lua
+++ b/test/functional/ui/messages_spec.lua
@@ -3350,7 +3350,6 @@ aliquip ex ea commodo consequat.]]
 end)
 
 it('pager works in headless mode with UI attached', function()
-  skip(is_os('win'), 'n.connect() hangs on Windows')
   clear()
   local child_server = assert(n.new_pipename())
   fn.jobstart({ nvim_prog, '--clean', '--headless', '--listen', child_server })