Lync/Office Web App Integration - Not Working

I have recently deployed a Lync 2013 FE and an edge server.  Lync is working great, except when my users go to present a PowerPoint.  Of course, this is driven by connectivity with an Office Web Apps server.  I happen to have one already in production that serves my Sharepoint 2013 farm.  I have defined it in the Lync topology, enabled all TCP/IP traffic between the FE and the WAP server, and have verified that i can successfully open the WAP discovery page from my Lync FE.  

When my users go to open PowerPoints in Lync, they get the error mentioned in this post.  http://www.ucguys.com/2013/04/office-web-apps-running-on-server-2012-cant-upload-powerpoint-from-lync-client.html

I don't see any event logs regarding WAP or Office connectivity.  I've tried a reboot of both servers.  All prerequisites, including .NET, are present.  My Lync FE is running Server 2012 R2 and my WAP server is running Server 2012.
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marrjAsked:
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marrjConnect With a Mentor Author Commented:
Still not working.
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ChrisCommented:
I have this working so we can compare.
is this not working internally or externally or both?
can you detail out the reverse proxy you have to get to it from the outside.
do you have all the updates for lync and the web app server as i did have the same problem and i think those updates fixed it
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marrjAuthor Commented:
I don't have a reverse proxy set up yet.

PowerPoint presenting is not working internally or externally.

I have not updated either web app or Lync.  I will try to do that and get back with you.
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ChrisCommented:
update the Lync Client and the Office Web App as that should make it resolve internally

just make sure you have certs etc setup to match you FQDN of the site.

I used split brain DNS to make the internal and external ones the same
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marrjAuthor Commented:
I've installed KB2850013 on my WAC server.

I've installed the KBs located here on my Lync FE.
http://support.microsoft.com/kb/2809243

I've restarted both servers and it still doesn't appear to be working.  Is there a particular update or version that I need to try to achieve?

My certs on the Lync FE are generated from an internal Enterprise CA within my single domain.  My cert on my WAC site is a 3rd party wildcard that is trusted publicly.
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ChrisCommented:
Have you done this update?
http://y0av.wordpress.com/2013/10/23/wacon8_1/

after that test the web app through web browser and make sure that you can get to it i.e trusted sites etc
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marrjAuthor Commented:
Yes, I do have that update and can get to the site.
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ChrisCommented:
ok so down to lync logging

under the user profile you are signed on with clear out this path (make sure you exit lync)

c:\users\%username%\%appdata%\local\microsoft\office\lync\tracing


then log into lync and try and share some content i.e. powerpoint

then go back to that folder and using the Lync Logging tool open the trace file and we might be able to see the error
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marrjAuthor Commented:
Ok, I have done what you said up to the point where I'm trying to find out what file to examine.  The Lync 2013 Logging Tool didn't have any option to open a file to examine.  The Snooper application, however, did.  I opened the Lync-UccApi-0.UccApiLog file in the Snooper and am having trouble interpreting its contents.  Am I in the right place?
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ChrisCommented:
yeap thats the right place - sorry should have said snooper i just think of it as one sutie.

if you note the time you start the powerpoint upload and then look to the messages part of the trace for that time.

I am trying to remember if i ran a network monitor at the same time to find the error message. That might be worth doing

can you run through and double check the health of the WAC install
run this powershell on the WAC servers
(Get-OfficeWebAppsFarm).Machines

i ran through this blog article
http://www.wictorwilen.se/office-web-apps-server-2013---machines-are-always-reported-as-unhealthy
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marrjAuthor Commented:
Thanks for the article.  My WAC was showing an unhealthy status and I didn't even know it.  Turns out, I was suffering from the 404 error caused by a missing HTTP Activation feature for .NET 4.5.  The server is now showing a healthy status.  However, my PowerPoint presenting in Lync still isn't working.
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marrjAuthor Commented:
No one was able to provide a solution.
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