Sage 300.
• Microsoft announced the deprecation of Transport Layer Security (TLS) versions
1.0 and 1.1 in Office 365 and Office 365 GCC in January 2020.
Microsoft
recommends that all client-server and browser-server combinations use TLS 1.2
(or a later version) to maintain connection to Office 365 services.
SMTP (Simple Mail Transfer Protocol) Deprecation of Basic Authentication
Microsoft has announced the end of support for Basic Authentication (user and
password credentials) for Exchange Web Services (EWS), Exchange Active
Sync (EAS), Post office Protocol (POP), Internet Message Access Protocol
(IMAP), and Remote PowerShell (RPS) in Exchange Online.

Only Modern Authentication will be supported after October 1, 2022.
How do these changes impact you?
• Sage 300 currently supports TLS 1.2. Windows Server 2022, available as of
September 2021, has delivered improvements to network security by upgrading
HTTPS support to TLS 1.3.

• Sage 300 has successfully tested running on Windows Server 2022 with TLS 1.3
enabled. Sage is also performing additional tests to ensure compatibility with the
most secure configuration of TLS 1.3.
• The Sage 300 Desktop and Web Screens will be affected as they currently only
support Basic Authentication with SMTP. To avoid failures with email delivery,
the Sage 300 application will be enhanced to support Modern Authentication
prior to the deprecation date.

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