Microsoft Azure Active Directory Connect 2.1.16.0 and Auto-Upgrade
Hi All,
On beginning of August, Microsoft had released AAD Connect 2.1.16.0.
I was exited, because that is the first 2.x version that did support "auto-upgrade"
Azure AD Connect: Version release history
Microsoft Azure Active Directory Connect Download
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_00.jpg)
I've checked the Version of AAD Connect on the Server with Powershell
Import-Module ADSync
(Get-Item "C:\Program Files\Microsoft Azure AD Sync\Bin\miiserver.exe").VersionInfo
Set-ADSyncAutoUpgrade -AutoUpgradeState Enabled
Get-ADSyncAutoUpgrade
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_01.jpg)
After a while i've realized that the AutoUpgrade was reseted to suspended.
So i removed the Custom Rules i had created earlyer
And enabled Autoupgrade again
Get-ADSyncAutoUpgrade
Set-ADSyncAutoUpgrade -AutoUpgradeState Enabled
Set-ADSyncAutoUpgrade -AutoUpgradeState Enabled
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_03.jpg)
That did not help. So i looked into Eventviewer
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_04.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_05.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_06.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_07.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_08.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_09.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_10.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_11.jpg)
According to the Return Value it looked like the new version was installed.
Windows Installer Return Values
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_11b.jpg)
But after a Reboot the old version was still there
(Get-Item "C:\Program Files\Microsoft Azure AD Sync\Bin\miiserver.exe").VersionInfo
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_12.jpg)
Apparently the Auto-Upgrade Functionality did not work on my Server.
So i did run the Manual installation
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_13.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_14.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_15.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_16.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_17.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_18.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_19.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_20.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_21.jpg)
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_22.jpg)
Version was now updated
(Get-Item "C:\Program Files\Microsoft Azure AD Sync\Bin\miiserver.exe").VersionInfo
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_23.jpg)
Ans also Directory sync Status in M365 Admin Center showed the new version
![](https://icewolffile.blob.core.windows.net/$web/202208/AAD_Connect_AutoUpgrade_24.jpg)
Regards
Andres Bohren
![](https://icewolffile.blob.core.windows.net/$web/logos/azure_logo.png)