Set-CsMeetingRecordingExpirationSetting -Identity "Global" -DaysToKeep $null The -1 flag is not a bug or a hack—it’s a deliberate engineering choice for edge cases. Use it sparingly, document every -1 assignment in your change log, and pair it with a manual review schedule. Otherwise, your “forever” recordings become digital hoarding, buried under the weight of meetings no one will ever rewatch.
Set-CsMeetingRecordingExpirationSetting -Identity "Global" -DaysToKeep 180 But when you truly need it, -1 is
Get-CsMeetingRecordingExpirationSetting -Identity "Global" But when you truly need it
Enter the command that feels like a backdoor in the space-time continuum of data governance: your “forever” recordings become digital hoarding
At first glance, -1 looks like an error—a phantom parameter. In most programming contexts, negative numbers are invalid for time-based retention. Yet in the Microsoft Teams PowerShell module (specifically the Skype for Business Online Connector), The Anatomy of the Cmdlet The full command in context:
Because in data governance, can you disable expiration doesn’t always mean you should . But when you truly need it, -1 is the most powerful integer in the PowerShell lexicon.
In the world of Microsoft Teams administration, data lifecycle management is a tightrope walk between compliance and convenience. By default, Teams meeting recordings are digital ephemera—scheduled for automatic deletion after a set period (typically 60 or 120 days). But every administrator eventually encounters a request that breaks this mold: "Preserve this recording forever. Do not expire it."