“Bring your AI to work” is here: Microsoft edition - What Multiple Account Access to Copilot means

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Multiple Account Access to Copilot On October 1. 2025 Microsoft released a blog post explaining how employees now can use Copilot from their personal 365 plans to work on organizational data. This is of course, an extension of the already existing "Multi account" feature that was released for corporate accounts a "couple of months" ago. In other words, “bring your own Copilot” is now a real thing in Word, Excel, PowerPoint, Outlook, and OneNote on desktop and mobile, with enterprise protections intact. “Bring your AI to work” is an important topic, and banning AI altogether might not be the answer. Whether sanctioned or shadow, AI has already entered everyday knowledge work. Microsoft’s new multi‑account access offers a safer path where employees can use Copilot from their personal Microsoft 365 subscriptions on work files, while the file’s access, auditing, and compliance still flow through the work identity and tenant. That’s better than users copy‑pasting sensit...

Important certificate note to self

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I've been having issues on a server, where I was supposed to create a secure channel (tls) to a remote server for synchronizing the exchange free/busy information on users. I long suspected it to be certificate related, but I always ended up by turning ssl of (thus running unencrypted). I thought I had it all done right, when importing the root certificate of the CA to the trusted root. But it never solved my problem. 

Thanks to my OCS course, a bright light dawned on me. The reason why the TLS failed could be several. First of all, if you are running the sync service as a service on the server, the certificate must be in the trusted root of the computer, not the administrator (or other account which you are installing as). Second, if the service is set up to "run as" a separate user. It is a good idea to log on as that particular user, and import the certificate as that user. Quite simple when you think about it, but not always intuitive..... :P