This is a second blog post in a row about AAD Connect and Hybrid Device Join aka HDJ which explains that I haven’t played with it lately (latest entry in here). I visited one of my customer sites last week and during the day I found that there was a high number of failed sign-ins against Azure AD. I was a bit curious about what’s causing those ones, let’s see what I found.
From the internal network, Hybrid Device Join (HDJ) registration was not working as expected in some of the devices and a high number of failed sign-ins events were found from Azure AD sign-in logs. I noticed that my own identity was having 3-4 failed sing-ins multiple times per day on a regular basis. Even, end-users didn’t have a critical problem it’s definitely something that needs to be fixed to make sign-in process much…
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