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Preventing Petya ransomware with Group Policy

This post and this twitter thread describe a mechanism to prevent the latest ransomware cyber attack from running. It involves creating 1 (or 3) files with a specific name(s) and with the Read-only...

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Find all hidden network shares

I have a Windows file server with thousands of shares. Occasionally, create hidden shares for data migration or other administrative tasks. How do you find these shares? Some websites suggest running...

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Convert Active Directory AccountExpires attribute

I wrote a quick function to convert the AccountExpires attribute from the Long Integer value to a DateTime object or a string object of “!! Never !!”. function Convert-ADAccountExpires ([long] $ticks)...

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Change Modern Windows Event Log settings with PowerShell

I may be late to the party, but I just found the cmlets I need to update the properties of modern Windows event logs. The Limit-EventLog cmdlet only works with classic event logs. I want to be able to...

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Can’t change meeting organizer

There’s no way to modify or update the organizer of an existing Microsoft Outlook or Teams meeting. The organizer is the person (or account) that created and owns the meeting. Importantly, only that...

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Problems accessing Teams recordings

We’ve been seeing problems where students have trouble accessing the recordings for a class meeting even when the permissions on that recording indicate that a Microsoft unified group of which the...

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Embedding a Microsoft Form

Adding a Microsoft form by editing the HTML directly:

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Capturing MS Whiteboard in Teams meeting recording

In September, Microsoft launched a new and much improved Whiteboard web app, which includes basic features like being able to add an image and reactions, but also advanced options like templates for...

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Manage Teams meeting transcripts

I received a question from a client who wanted both to use the live transcript capability of a Teams meeting, but also to delete the transcript from the meeting after saving it. Microsoft added the...

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Turn on caller announcements in Teams meetings

We have turned off announcements of callers joining or leaving calls by default. These announcements can be very disruptive to larger meetings like classes, workshops, and public events. However, you...

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