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S/MIME signed reply draft behaves like the first message in conversation in Exchange Server 2019 and 2016

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Symptoms

In Microsoft Exchange Server 2019 or Exchange Server 2016, consider the following scenario:
  • User A sends an email message to User B.
  • User B composes a reply by adding a S/MIME (Secure/Multipurpose Internet Mail Extensions) signature.
  • User B saves the reply as a draft.
In this scenario, you find that the draft of the reply does not have a value for the InReplyTo property.

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Resolution

To fix this issue, install one of the following updates:
For Exchange Server 2019, install the Cumulative Update 3 for Exchange Server 2019 or a later cumulative update for Exchange Server 2019.
For Exchange Server 2016, install the Cumulative Update 14 for Exchange Server 2016 or a later cumulative update for Exchange Server 2016.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kb, kbfix, kbqfe, kbHotfixAuto, CI107282

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Article Info
Article ID : 4520319
Revision : 6
Created on : 9/17/2019
Published on : 9/17/2019
Exists online : False
Views : 271