RPC_C_AUTHN_LEVEL_PKT_INTEGRITY - WMI

RPC_C_AUTHN_LEVEL_PKT_INTEGRITY - WMI

Hi Team,

I want to open a discussion of this problem that is shown on some MS Windows Server 2016 / 2019 servers, it is not possible to validate credentials with WMI after security updates.

Microsoft recently released update patches to correct DCOM protocol vulnerabilities, see the following link: https://www.techtarget.com/searchwindowsserver/news/252521541/Microsoft-fixes-Follina-zero-day-for-June-Patch-Tuesday

Error displayed on the server:



I saw in other forums that other applications have the same problem:
  1. https://thwack.solarwinds.com/product-forums/network-performance-monitor-npm/f/forum/92607/dcom-errors-in-dc-after-patching 
  2. https://kb.paessler.com/en/topic/90023-dcom-security 
  3. https://support.nagios.com/forum/viewtopic.php?f=7&t=63625 
  4. https://forums.veeam.com/veeam-agent-for-windows-f33/dcom-hardening-on-windows-server-june-cu-t81317.html 
Testing with WBEMTest shows Access Denied

Is it a problem with ManageEngine OpManager or Microsoft Windows?

Regards

Ruben