Cannot Retrieve Windows Update From Intranet WSUS Servers

[ChenryLee]

I deployed intranet WSUS servers, and applied GPO to servers.

WSUS servers run Windows Server 2016 STD, it's what I tried:

1. Configure GPO, and apply to those servers, Windows Server 2018 R2 and Windows Server 2012 R2 retrieve the updates normally, while Windows Server 2016 cannot retrieve the updates, an error occurs:
   
   
   
   There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x8024401c)​
   
   
   
2. 
   Disable GPO to Windows Server 2016, and configure Windows Update settings via local Group Policies Editor (gpedit.msc). It still doesn't work, I get same error as above.
   

It's a summary of my Active Directory domain and WSUS servers.

FFL/DFL: 2008R2/2008R2

OS Versions: 2008 R2 STD & 2012 R2 STD

WSUS Servers: Running Windows Server 2016

Any guide to this problem? If any information is required, please let me know, I will add it ASAP.

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