Teams updates to watch: malicious link warnings, blocked risky files, and a new private backroom chat

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Microsoft has announced three Teams updates the past months. Two that strengthen security and one that will improve how organizers coordinate events: Malicious URL Protection, Weaponizable file type protection and Private chat for organizers, co‑organizers, and presenters. Please note that timelines can shift, so treat the dates as guidance rather than guarantees. Malicious URL Protection (Roadmap ID 499893 ) Microsoft has announced link‑scanning in Teams chats and channels that warns senders and recipients about unsafe URLs. The feature reached general availability rollout by the end of November 2025, while the separate change to make it ON by default, originally planned as part of that release, has been postponed to early 2026.  If you don't want to wait for it to be on by default, or feel the need to configure it, you can do so in the Teams admins center: "Teams admin center → Messaging settings → Scan messages for unsafe URLs”. Or you can mange the configuration with Power...

Don't forget to specify sql instance on install-csdatabase

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I was upgrading a Lync 2010 standard edition server to 2013, when I came across a problem with the "Install-CsDatabse" command. The technet article (http://technet.microsoft.com/en-us/library/jj688013.aspx) is pretty good, but it left me with the impression "RTC" was the default database for the command.

I was using the following command:

Install-CsDatabase -CentralManagementDatabase -SqlServerFqdn myserver.domain.com -Verbose

But all I was getting was an error message saying the server\instance was not available:


According to the article, RTC is the default instance, and I made the mistake of beliving RTC was the default instance for the command as well. After reading a couple of logs, trying to make it work, I realized the default instance for the command is DEFAULT, not RTC.

When installing a database on a Standard Edition 2013 server, remember to specify the RTC instance, and save yourself some troubleshooting :).

This command worked like a charm:

Install-CsDatabase -CentralManagementDatabase -SqlServerFqdn myserver.domain.com -SqlInstanceName rtc