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Exchange 2016 (15.01.0466.034) and higher.


When logging into OWA, there is no Netmail button displayed in the toolbar even though the user does have archives.

This would affect all users and only occurs in Exchange 2016 (build 15.01) and higher.


To resolve this issue, you will want to do the following:

  1. First you must locate the OWA installation folder. The default location is in C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\Owa. To ensure that this is the correct location you can find open the IIS manager, then navigate to Back End site–>OWA–>Basic Settings–>Physical path.

  2.  Backup the existing Default.aspx file and then modify this file by adding the following just before the </html> tag: 
    <script src="/ewv/netmail.js?alskdjf"> </script>

    Here is a screenshot of how it will look:

  3. You will then need to take this netmail.js file, and replace the one on the Netmail Archive server found here: C:\Program Files (x86)\Messaging Architects\RemoteProvider\WebContent
  4. Once this has been completed you should now see the Netmail Button when logging into OWA for Exchange 2016.

NB1:  This issue can reoccur when updating Exchange as it will overwrite the Default.asmx file that was edited above.

NB2:  If you have multiple Exchange servers you will need to perform this change on ALL servers, as IIS can hand-off connections from one server to another.


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