When WSUS downloads are slow. WSUS uses BITS for downloading updates, and it does so in background mode. Unfortunately, this utilizes remaining bandwidth of the server instead of its full capacity. To speed up WSUS downloads, you can configure BITS in WSUS to use foreground priority.
When to use foreground or background BITS priority
Unless the job is time critical or the user is actively waiting, you should always use a background priority. However, there are times when you may want to switch from background priority to foreground priority.Best Practices When Using BITS
If you feel your WSUS updates download take too long to complete, you can switch to foreground priority. This may speed up WSUS.
Speed up WSUS update downloads by switching to BITS foreground priority
So, to speed up the download of WSUS updates through BITS, configure it to foreground priority. In Powershell you can do this quite easily:
Code language: PowerShell (powershell)
$Configuration=(Get-WSUSServer).GetConfiguration() $Configuration.BitsDownloadPriorityForeground=$True $Configuration.Save() (get-wsusserver).GetConfiguration()
Whenever you want to switch back to normal background BITS priority, set
BitsDownloadPriorityForeground back to
You can get its current value using:
Code language: CSS (css)
This will show you whether the setting has been enabled (True) or not (False).