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[Reminder] Security Alert Relating to TLS 1.2 and Microsoft O365

Polycom Employee & Community Manager

[Reminder] Security Alert Relating to TLS 1.2 and Microsoft O365

Microsoft O365 Will Stop Support for TLS 1.0 and 1.1 in October of 2018

On October 31st, 2018, Microsoft Office 365 will no longer support the use of TLS 1.0 or 1.1 for communications. Once Office 365 deprecates support for these protocols, all communications to and from Office 365 servers will need to use TLS 1.2 and Polycom CX500, CX600, CX3000 will no longer connect or be supported.


Devices will not register to any Skype for Business server if TLS is updated to TLS 1.2


If upgrading to TLS 1.2 using Skype for Business Servers (on-premises), the additional devices listed below will no longer be able to register to Skype for Business or be supported. Compliance requirements such as Payment Card Industry Date Security Standard (PCI-DSS) will require that customers implement a more secure encryption protocol – TLS 1.1 or higher (TLS v1.2 is strongly encouraged) by June 30th 2018 in order to meet the PCI Data Security Standard (PCI DSS) for safeguarding payment data.


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Impact and Risk


Polycom is investigating and will continue to investigate all products and product lines to determine if there will be an impact. At this time, it is known that the following products will be impacted by this change in support:


• Polycom CX500 phone

• Polycom CX600 phone

• Polycom CX700 phone

• Polycom CX3000 conference phone

• Polycom CX8000 Skype Room System


See the attached document for more details

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Please be aware:For questions about the type of support to expect please check here

Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and maybe answered on weekends, bank holidays or personal holidays.