Poly Microsoft Online Registration Azure Application Id
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TECHNICAL ADVISORY- 137008
PN-3725-86064-003
Regarding Microsoft Online Device Registration
with OAuth 2.0 via 3rd party Azure Application ID
This technical advisory addresses the change announced by Microsoft related to the Microsoft Online device
registration requirement planned for January 15th, 2020. This change impacts Poly devices registered for Skype
for Business accounts.
The following Poly products are impacted by this change.
• VVX Series
• Trio 8800/8500,
• RealPresence Group Series
Executive Summary
Microsoft published a blog article which announced their plan to revoke support for the existing Azure application
ID leveraged by third party device vendors including Poly, and instead require a partner specific application ID.
This change goes into effect on January 15st, 2020. To ensure uninterrupted operation, the customer will be
required to perform a two-step process:
1. A tenant-wide consent by a customers’ administrator to permit these devices to register to Azure Active
Directory.
2. Update firmware to impacted devices to support new vendor specific application ID.
Microsoft has announced that all certified Skype for Business devices must be updated by January 15th, 2020.
Without the update, authentication to Microsoft services on these devices will fail and you will no
longer be able to sign in to Skype for Business from these devices. Check the impacted topology in
the table below, and if applicable, please complete these two steps by January 15th, 2020.
Deployment Topology - This is applicable to authentication via OAuth 2.0
Deployment Type
Impact Statement
Skype for Business Online
All phones must be updated by January
15th, 2020 and tenant admins must have
approved phone partners App id using the
consent URL

TECHNICAL ADVISORY - 137008
2
Skype for Business On-Premise Hybrid (With Modern Auth
Deployed)
All phones must be updated by January
15th, 2020 and tenant admins must have
approved phone partners App ID using the
consent URL
Skype for Business On-Premises Hybrid (No Modern Auth)
No Impact
Skype for Business On-Premises No Hybrid
No Impact
Step 1. Perform a tenant-wide consent by tenant administrator
A customer administrator (tenant administrator) must go to the consent URL and accept permissions. This
process can be performed at any time prior to Endpoint Device Firmware upgrade.

TECHNICAL ADVISORY - 137008
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Step 2. Update device firmware
Poly will release an update that supports new Poly application ID for the following products.
Device Name
Firmware Version
Timeline
VVX Phones
5.9.4
September 2019
Trio (8800,8500)
5.9.1AA
September 2019
RealPresence Group Series
6.2.1.1
June 2019
CX5500
TBD
TBD
Note:
Only Microsoft certified devices are impacted due this change and SoundStructure is not
part of Certified O365 devices.
FAQ
Question: What happens if
an upgrade to respective
firmware (listed in the table
above) is not performed?
Answer: Effective January 15th, 2020 when users attempt to sign-in on
devices that are not upgraded authentication will fail.
Question: Would all 3PIP-
qualified releases (such as
UC Software releases)
include App ID changes
proposed by Microsoft?
Answer: No, only the specified and later versions in the table will
have the changes. We request that customers go through the tenant-
wide consent first, then upgrade the device software.
Question: What happens if
device firmware is upgraded
without going through the
Consent URL?
Answer: Impacted users’ authentication will fail to sign in; the tenant
administrators are requested to perform the consent and retry the
authentication.
Question: When should
tenant administrators
perform the consent?
Answer: Poly consent should be performed any time before upgrading
the device firmware to avoid authentication failures.

TECHNICAL ADVISORY - 137008
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For any questions please contact:
William Marchant
Sr Manager Product Management
William.Marchant@poly.com
Question: If a tenant
Administrator performs
consent from the provided
URL prior to upgrading
firmware, will users have
any sign-in issues?
Answer: Users shall not have sign-in issues if tenant administrators
perform acceptance on consent URL & then proceed with device
Firmware upgrade.
Question: Are Lync phone
edition devices (CX Range)
impacted by this change?
Answer: Lync phones are out of support and end of life and will fail to
sign-in due to lack of support for TLS 1.2.
Question: Are the devices
connecting to Skype for
Business Server affected by
this change?
Answer: No, unless authentication is through OAuth to sign-in to the
Skype for Business Server account.
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10/2/2019