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Copy file name to clipboardExpand all lines: exchange/exchange-ps/ExchangePowerShell/Get-AuthenticationPolicy.md
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@@ -89,7 +89,7 @@ Legacy Exchange tokens include Exchange user identity and callback tokens.
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**Important**:
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- Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. If you receive the error "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`, you can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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- Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. You'll receive the warning "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`. You can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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- The AllowLegacyExchangeTokens switch returns `Not Set` if tokens haven't been explicitly allowed or blocked in your organization using the _AllowLegacyExchangeTokens_ or _BlockLegacyExchangeTokens_ parameters on the **Set-AuthenticationPolicy** cmdlet. For more information, see [Get the status of legacy Exchange Online tokens and add-ins that use them](https://learn.microsoft.com/office/dev/add-ins/outlook/turn-exchange-tokens-on-off#get-the-status-of-legacy-exchange-online-tokens-and-add-ins-that-use-them).
Copy file name to clipboardExpand all lines: exchange/exchange-ps/ExchangePowerShell/Remove-AuthenticationPolicy.md
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@@ -87,7 +87,7 @@ This switch applies to the entire organization. The Identity parameter is requir
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**Important**:
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- Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. If you receive the error "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`, you can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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- Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. You'll receive the warning "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`. You can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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- Apart from the Identity parameter, this switch disregards other authentication policy parameters used in the same command. We recommend running separate commands for other authentication policy changes.
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- It might take up to 24 hours for the change to take effect across your entire organization.
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- Legacy Exchange tokens issued to Outlook add-ins before token blocking was implemented in your organization will remain valid until they expire.
Copy file name to clipboardExpand all lines: exchange/exchange-ps/ExchangePowerShell/Set-AuthenticationPolicy.md
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The switch applies to the entire organization. The Identity parameter is required and must be set to the value "LegacyExchangeTokens". Specific authentication policies can't be applied.
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**Important**: Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. If you receive the error "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`, you can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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**Important**:
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- Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. You'll receive the warning "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`. You can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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- Apart from the Identity parameter, this switch disregards other authentication policy parameters used in the same command. We recommend running separate commands for other authentication policy changes.
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- It might take up to 24 hours for the change to take effect across your entire organization.
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```yaml
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Type: SwitchParameter
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**Important**:
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- Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. If you receive the error "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`, you can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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- Legacy Exchange Online tokens will be turned off for all organizations from August 2025 through September 2025. Once turned off, you can't use the _AllowLegacyExchangeTokens_ switch on the **Set-AuthenticationPolicy** cmdlet to turn on these tokens. You'll receive the warning "Legacy Exchange Online tokens are disabled" when you run the command `Get-AuthenticationPolicy -AllowLegacyExchangeTokens`. You can [contact Microsoft Support to request an exception](https://aka.ms/LegacyTokensByOctober). For more information, see [Nested app authentication and Outlook legacy tokens deprecation FAQ](https://learn.microsoft.com/office/dev/add-ins/outlook/faq-nested-app-auth-outlook-legacy-tokens).
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- Apart from the Identity parameter, this switch disregards other authentication policy parameters used in the same command. We recommend running separate commands for other authentication policy changes.
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- It might take up to 24 hours for the change to take effect across your entire organization.
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- Legacy Exchange tokens issued to Outlook add-ins before token blocking was implemented in your organization will remain valid until they expire.
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- Blocking legacy Exchange tokens might cause some Microsoft add-ins to stop working. These add-ins are being updated to no longer use legacy tokens.
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