topic slow performance when copying many files from a Windows 11 machine in ONTAP Discussions

slow performance when copying many files from a Windows 11 machine

S-Sahu — Thu, 28 Aug 2025 10:46:30 GMT

The client is experiencing slow performance when copying many files from a Windows 11 machine to his NetApp storage array.
We used the same dataset (154 files / 15 MB).

From a Windows 10 machine, the copy takes 20 to 30 seconds.
From a Windows 11 machine, the copy takes 3 to 5 minutes.
Same result from a clean Windows 11 installation.
However, copying a large file (650 MB) shows no difference between Windows 10 and Windows 11 (around 20 to 40 seconds).

Many things have been tried by my endpoint consultant on Windows 11 machine without success, so we suspect network port configuration attached to the NetApp Storage Array and/or maybe NetApp configuration.

Re: slow performance when copying many files from a Windows 11 machine

andris — Fri, 05 Sep 2025 21:11:19 GMT

This is probably best handled by opening a technical case with NetApp Support.

Re: slow performance when copying many files from a Windows 11 machine

StorageSensei — Mon, 20 Oct 2025 14:54:22 GMT

Where you able to figure this out? We had Windows 11 slowness issues too, a NetApp LIF migration had an immediate impact on increase performance.