New Year, New Momentum: Here are three Copilot updates to get you started into 2026

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It's a new year, so I thought I'd start the year by mentioning three features already released, or soon going to be released. One of the features improves the workflow of sharing files with comments, the other improves the application specific Copilot, and the last feature makes it easer to find the nest available timeslot for a 1:1 meeting. As with all of my other posts, timelines can shift, and the timelines in this post is as written in the Message Center at the time of posting. AI-Summary experience when sharing files. With this new feature, copilot intent to help users share files with clearer context in just a few steps. Users will get the capability to generate a concise summary of a file and include it when sharing from the File Explorer share dialog or the OneDrive activity center. This will make it easier to share the context of a file and giving the receiver a faster understanding of what a document or file contains before they open it. General Availability announced...

Installing Exchange 2007 SP (And the continuing story of my Unified Messaging installation)

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I have now completed the OCS R2 Core installation. Voice, video, chat and document sharing (live meeting) now work like a charm. I had some initial problems with the old offline address book (I am replacing OCS 2007 with OCS R2 by removing the old installation and installing a new server) on the clients. But after 24 hours, all clients were synchronized and running properly.

Now I have moved on to installing a new Exchange 2007 SP1 server with the unified messaging role. This server will be added to an already existing Exchange Organization, and I thought it would be an easy task. Not so.....

The installation is pretty easy, and very few things can go wrong. But one of the things that can go wrong was stopping me from installing Exchange onto the server. The only problem was that the error message said: File not found ??? "An error occurred. The error code was 3221684226. The message was The system cannot find the file specified.".

Once again; The problem was a missing prerequisite on the server, but the prerequisite wizard did not catch the missing object. I believe it is because the Windows 2003 and 2008 servers are very different in what features and roles you deploy in a "basic" setup. And the Exchange 2007 wizard was really created for the 2003 server.

In the case of installing Exchange 2007 onto a Windows 2008 server, you also need to install the Remote Server Administration Tools (RSAT) and Active Directory Domain Services Tools (run ServerManagerCmd -i RSAT-ADDS in command prompt). After adding these tools, I had no more problems during the installation of the UM role.