异地批处理跳过已存在的文件

@echo off
echo y|xcopy D:\backup\expdpbak*.DMP /d /e /r /k \IP\Download\xinjian
echo y|xcopy D:\backup\expdpbak*.log /d /e /r /k \IP\Download\xinjian
pause
运行然后出问题，报错：请求已被忽略，实例已在运行
解决办法
@echo off
echo y|xcopy D:\backup\expdpbak*.DMP /d /e /r /k \IP\Download\xinjian
echo y|xcopy D:\backup\expdpbak*.log /d /e /r /k \IP\Download\xinjian
end