BizTalk Office365 email adapter not doing anything when sign-in button is clicked

Shah Mohamod 6 Reputation points
2022-12-20T15:07:59.37+00:00

We are trying to use the BizTalk Office365 email adapter. We have BizTalk TMS installed and started on our server (BizTalk 2016 CU8).
Strangely, nothing happens when we click on the sign-in button while configuring our Office365 email receive location properties.
We have uninstalled the TMS service and reinstalled it but to no avail. No error logs found in the Windows Application event log.
Could anyone please help ?
Thanks

Microsoft BizTalk Server
Microsoft BizTalk Server
A family of Microsoft server products that support large-scale implementation management of enterprise application integration processes.
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  1. Shah Mohamod 6 Reputation points
    2022-12-22T13:41:32.723+00:00

    We had to decompile the adapter's code and do some debugging in order to find the root cause. An exception was being triggered and was completely being masked. That's why we had no errors being displayed nor any messages being traced in the event logs.
    The solution to our problem was to activate TLS 1.2 on our BizTalk server. We had to add some registry keys. The keys to be added are mentioned on Sandro Pereira's blog.

    1 person found this answer helpful.