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Previous operating system and browser software may be unable to use the improved security. The minimum software requirements are as follows: Operating systems and browsers without native TLS 1.2 supportĬustomers who have the most recent operating system and browser versions should not experience any service interruptions following the October 31st deadline. Exchange mailbox integration on Polycom CX500, CX600, & CX3000 IP phones.Exchange mailbox integration in Skype for Business and Lync clients.Operating systems and browsers without native TLS 1.2 support.For any questions or additional information, please contact IT Help Central at (806) 742-4357 (HELP) or via email at impacts (detailed information for each follows the list): While Microsoft's analysis indicates TLS 1.0 and 1.1 usage is low, please read the known impacts below to determine whether you need to act to prepare for this change. TLS 1.2 has been available since 2008 and is widely supported by most applications.
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Transport Layer Security (TLS) is a protocol used to establish secure communications over a network. After this date, all client-server/browser-server combinations must use TLS 1.2 or later to connect to Office 365 services. In order to increase security and better protect information resources, Microsoft will end Office 365 support for TLS encryption protocol versions earlier than 1.2 on October 31, 2018.
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