OBTP not updating

When attempting to setup a Skype for Business meeting from a client inviting a Cisco DX80 endpoint it was not updating,

having a look at the logs it seems like a Credentials error :

2018-06-19 13:34:19,401 [MeetingSynchronizerThread] INFO – Forcing update for endpoint dx80@alictrify.com.
2018-06-19 13:34:19,401 [MeetingSynchronizerThread] INFO – Sending out OBTP information to endpoint dx80@alictrify.com for meeting ‘dx80@alictrify.com’.
2018-06-19 13:34:19,401 [MeetingSynchronizerThread] INFO – Updating endpoint dx80@alictrify.com with OBTP information; attempt 1
2018-06-19 13:34:23,682 [OBTPThread] INFO – Failed to connect to endpoint on ‘192.168.0.11’, now trying with a different protocol.
2018-06-19 13:34:24,526 [MeetingSynchronizerThread] INFO – Failed to connect to endpoint on ‘192.168.0.11’, now trying with a different protocol.
2018-06-19 13:34:28,510 [OBTPThread] ERROR – ConnectToSystem
System.Exception: The remote server returned an error: (401) Unauthorized.
2018-06-19 13:34:29,354 [MeetingSynchronizerThread] ERROR – ConnectToSystem
System.Exception: The remote server returned an error: (401) Unauthorized.
2018-06-19 13:34:29,526 [OBTPThread] INFO – Updating endpoint dx80@alictrify.com with OBTP information; attempt 2

this is corrected by navigating in SynergyJoin application to Video Systems and adding password to the endpoint in question.

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SynergySky: updating calendar with OBTP

In the SynergySky Join Version 2.5 there is a preview feature that allows the calendar invite to be updated after the meeting invite has been sent out, for this to work additional permissions need to b configured in Exchange which allows the meeting organiser to update the meeting after the invite has been sent out otherwise the organiser will receive the following error:

Scenario:
User books meeting inviting Microsoft S4B Client and Cisco Video Endpoint (DX80). Calendar does not get updated as permissions not set in Exchange. Exchange Version used: 2016

The following power shell permissions applied to the Exchange will give users the right permissions needed to perform this action

This will give exchange service account ‘Editor’ access to be able to update the calendar appointment with dial in information:

Add-MailboxFolderPermission -Identity joe.microsoft@alictrify.com:\Calendar -User administrator@alictrify.com -AccessRights Editor

The service account also needs an AD user object permission: ‘sendas’ for each user to send a updated invite to all recipients –

Add-ADPermission “Joe Microsoft” -User alictrify\administrator -Extendedrights “Send As”

< this was previously implicitly included in the Exchange server “Full Mailbox Access” permission or added in Exchange Online as part of the Add-RecipientPermission

Now when you send a invite you will not receive a failure email but rather a update in the calendar as follows:

When the time for the meeting comes you will see OBTP appear on screen: