Unable to onboard devices in Defender anymore

Hi, we are facing a similar problem. What's strange is that it only happens to us on servers in one domain, the rest work normally.

Details from log:

Extension Message: Failed to configure Microsoft Defender for Endpoint: Error during prepare defenderForEndpointOnboardingScript Onboarding blob signature is not valid, executionlog: [2024-08-22 14:39:54Z][Information] Signature verification result: True
[2024-08-22 14:40:24Z][Error] base chain cetificate is not valid because: PartialChain
[2024-08-22 14:40:39Z][Information] Certificate C=US, S=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Secure Server CA 2011 is valid: False
[2024-08-22 14:40:39Z][Information] Certificate C=US, S=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Root Certificate Authority 2011 is valid: True
[2024-08-22 14:40:39Z][Information] Chain valid: False
[2024-08-22 14:40:39Z][Information] Certificate chain verification result: False
[2024-08-22 14:40:39Z][Error] Onboarding blob signature is not valid
[2024-08-22 14:40:39Z][Error] Error during prepare defenderForEndpointOnboardingScript Onboarding blob signature is not valid
[2024-08-22 14:40:39Z][Error] Failed to configure Microsoft Defender for Endpoint: Error during prepare defenderForEndpointOnboardingScript Onboarding blob signature is not valid
[2024-08-22 14:40:39Z][Information] Set handler status (C:\Packages\Plugins\Microsoft.Azure.AzureDefenderForServers.MDE.Windows\1.0.10.3\status\0.status), Status=error, Code=888, Message='Failed to configure Microsoft Defender for Endpoint: Error during prepare defenderForEndpointOnboardingScript Onboarding blob signature is not valid'
Extension Error:
C:\Packages\Plugins\Microsoft.Azure.AzureDefenderForServers.MDE.Windows\1.0.10.3>Powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass C:\Packages\Plugins\Microsoft.Azure.AzureDefenderForServers.MDE.Windows\1.0.10.3\\MdeExtensionHandlerWrapper.ps1 -Action enable
VERBOSE: [2024-08-22 14:39:48Z][Information] Start executing handler action:
enable
VERBOSE: [2024-08-22 14:39:49Z][Information] Set handler status
(C:\Packages\Plugins\Microsoft.Azure.AzureDefenderForServers.MDE.Windows\1.0.10
.3\status\0.status), Status=transitioning, Code=1, Message='Configuration In
Progress'
VERBOSE: [2024-08-22 14:39:49Z][Information] Invoking MdeExtensionHandler.ps1
in background process in order to install/configuration/onboard MDE
VERBOSE: [2024-08-22 14:39:49Z][Information] End executing handler action:
enable with exit code: 0