Windows Server 2019 Slow File Sharing - Here Is How to Fix It!

Solve the problem of slow file sharing in Windows Server 2019: Five ways

When sharing files on multiple computers on the LAN, if you encounter the problem of slow file sharing speed in Windows Server 2019, this article provides five solutions. Continue reading for more details.

Slow transfer speed of large files may be caused by a variety of factors, such as computer processor performance, memory size, hard disk reading and writing speed, and remaining hard disk space. Let's see how to solve this problem.

Method 1: Disable Large Send Offload

Large send offloading technology can improve network performance and reduce CPU load, but sometimes causes file sharing to slow down. Try to disable it:

1. Open Device Manager and find the Network Adapter .
2. Under the Advanced tab, select Large Send Uninstall V2 (IPv4) and set its value to Disable .

Method 2: Disable NetAdapterRSC

Follow these steps to disable NetAdapterRsc on Windows Server 2019:

1. Run Windows PowerShell as an administrator.
2. Enter GetNetAdapterRSC and press Enter to check whether AdapterRSC is enabled. (True=enabled, False=disabled)
3. If True , enter the code disable-netadapterrsc to disable AdapterRSC.
4. Check again using the code GetNetAdapterRSC to confirm that it has been successfully disabled.

Method 3: Use file sharing tools

If the above method is more complicated to operate, you can use simpler tools. MiniTool ShadowMaker is a server backup software that can quickly transfer large files. It supports Windows Server 2022/2019/2016/2012 and Windows 11/10/8/7.

1. Click to download MiniTool ShadowMaker.
2. Start the software and click Continue to try it out to enter the synchronization interface.
3. Click Source to select the file you want to transfer, and then click OK .
4. Under the Target tab, you can select four paths: Administrator , Library , Computer , and Share . To sync files to another PC, select Share , enter the path , username , and password , and then click OK to complete the settings.

5. Click Sync now to start synchronization. This can take several minutes.

Summarize

This article provides three ways to solve the problem of slow file sharing in Windows Server 2019. You can try these methods one by one to solve the problem. If you have any questions or suggestions, please contact us.

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