Office Web Apps server not working externally

Hopefully someone with a functional OWA server can help. When my users try to share a presentation, whiteboard, or poll as an external user or to an external user (coming through Edge), the content fails to share and this error occurs:
"We can't connect to the server for presenting right now"
The server functions internally fine and content shares perfectly. The OWA server has a certificate from an internal CA and it is published through a TMG reverse proxy. When I hit the discovery URL, it works fine and triggers the reverse proxy
rule. However, when I try to share content, it does not hit the rule.
Thanks for your help!
Jim

Hi,
Looks like the external lync clients can't connect the office web app server. So please check if you publish the web office app to internet correctly.
Please refer this document about Publishing Office Web Apps Server Using a Reverse Proxy Server:
http://technet.microsoft.com/en-us/library/jj204665.aspx
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TechNet Community Support

Similar Messages

Office web App Server Not Working Properly

Hello Everyone,
We have published Office Web Apps server externally through reverse proxy and it has some issues. Now if we browse the link
https://owas.schs.sharjah.ae/hosting/discovery (Internally) or
https://owa.schs.sharjah.ae/hosting/discovery (Externally) I get the XML Page.
Now when I try to browse any other pages in the directory for example
https://owa.schs.sharjah.ae/op/generate.aspx or another Url like
https://owa.schs.sharjah.ae/m/Presenter.aspx whether it is browsed internally and externally I get the error file not found '404' but the files do exist in the directory.
No idea on how to solve this issue, any help on this matter is really appreciated.
Regards,
Sheldon
MVI - Most Valuable Indian

What specific issue are you having?
Are you wanting to use the WAC to open files using the URL? If so, have you set OpenFromUrlEnabled to true? You can
check this using Get-OfficeWebAppsFarm cmdlet and Set-OfficeWebAppsFarm OpenFromUrlEnabled $true cmdlet.
I have several Office WebApp instances that I've deployed for Lync PowerPoint sharing where the setting is not enabled and I am also unable to browse to those pages, but PowerPoint sharing works fine.
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Will Office Web Apps Server 2013 work with SharePoint 2013 sites hosted in SP2010 compatibility mode?

We are planning a upgrade of a SP2010 farm to 2013. There has been a bit of customization so we wish to run the old sites on the new SP2013 platform in SP2010 compatibility mode.
So my question is will Office Web Apps Server 2013 work with the old sites hosted in compatibility mode?
I found a similar query from March 2014 found here
http://sharepoint.stackexchange.com/questions/93101/office-web-apps-2010-running-on-sharepoint-2013-for-compatibility-mode-sites/116281#116281
Has there been an update released to resolve this
Cheers D

Hi ,
According to your description, my understanding is that you need to know whether Office Web Apps 2013 is working with SharePoint 2013 sites which is in SharePoint 2010 compatibility mode.
For my test, Office Web Apps 2013 with SharePoint 2013 sites which is in SharePoint 2010 compatibility mode is working fine.
Thanks,
Eric
Forum Support
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact
[email protected]
Eric Tao
TechNet Community Support

Office Web Apps is not working

Hi,
We have tried to deploy Office Web Apps Server but, after a number of tests, we haven't been able to view PowerPoint presentations. We tested "everything" but it didn't work.
Finally, to simplify and focus the problem, we just deployed Office Web Apps Server "on its own", that is: just Internal URL, HTTP, Open From URL Enabled and sharing docs from a shared folder in the same server. So we have:
\\wacserver\share\<Docs> (Excel, Word and PowerPoint)
http://wacserver
They work both "/hosting/discovery" and "/op/generate.aspx".
If we try to view Excel doc, it works. If we try to view Word or PowerPoint, id doesn't work.
For PowerPoint, it appears the PowerPoint Web Apps frame (FILE, START SLIDE SHOW, SLIDE - OF -, NOTES...) and, in the center, an animation
"PowerPoint Web App .....". After a couple of minutes, it stops with "Either you've lost network connectivity or our server is to busy to handle your request".
What we have seen from different sources:
FIDDLER
======
/op/view.aspx?... Response 200
/p/PowerPointFrame.aspx?... Response 200
/p/imagehandler.ashx?... Response 202
13 petitions to /p/ppt/view.svc/jsonAnonymous/GetPresentation Response 200
PROCESS MONITOR
==============
There were some folders and registry keys Network Service was trying to access with ACCESS DENIED response. We gave it permissions and they disappeared.
SYSTEM is trying to access some registry keys (SpellingWcfprovider.exe => HKU\S-1-5-18, ImagingService.exe => HKLM\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options, and 2 or 3 more). It gets an ACCESS DENIED
but SYSTEM, we have checked, has "Full control" permissions in those keys or folders.
These errors appear by Office Web Server running itself, although we are not making a PowrPoint file request.
ULS
===
Several times, it tries to find the PowerPoint presentation in the caché, doesn't find it, manage to get it but, when trying to put it in the cache, it receives a disk space error:
Determined file name [PowerPoint.pptx] from [\\wacserver\share\PowerPoint.pptx]
AFileFetcher: Starting Unc download at [\\wacserver\share\PowerPoint.pptx]
Begining UNC Download for [\\wacserver\share\PowerPoint.pptx]
Reading next block of bytes for [\\wacserver\share\PowerPoint.pptx]
End reading block of bytes for [\\wacserver\share\PowerPoint.pptx]
Reading next block of bytes for [\\wacserver\share\PowerPoint.pptx]
End reading block of bytes for [\\wacserver\share\PowerPoint.pptx]
AFileFetcher: Done downloading file. [\\wacserver\share\PowerPoint.pptx]
Downloaded file from final URL [\\wacserver\share\PowerPoint.pptx] with SHA256 [Y/whX0EzCZJQdHym/OPrMdrNVg0h8SwrC0TehaKIQdU=]
AFileFetcher: Will cache web file info to memory cache. [\\wacserver\share\PowerPoint.pptx]
Starting WriteStreamToDiskCache
Creating channel to DiskCache: http://wacserver:809/diskcache/DiskCache.svc
MachineTransfer [SourceMachine:wacserver, SourceMachineVersion:15.0.4543.1000, TargetMachine:wacserver, TargetMachineVersion:15.0.4551.1011, Method:DiskCacheService.PutCacheData]
PutCacheData: [167F6AC792AE9B53BEA7CD135A35C18F0710CF5916C49DD5804C9E29CF9149CA55D1C8D1AD526B45B91801E1502B2BCD, d1c8d155-52ad-456b-b918-01e1502b2bcd, 50758, wacserver]
PutCacheData: Writing to C:\ProgramData\Microsoft\OfficeWebApps\Working\d\1CA\167F6AC792AE9B53BEA7CD135A35C18F0710CF5916C49DD5804C9E29CF9149CA55D1C8D1AD526B45B91801E1502B2BCD
Not enough disk space to write. Sleeping once.
Not enough disk space to write. Giving up.
PutCacheData Response: [False]
The cache folder has enough disk size and PowerPoint.pptx file is just 30 KB.
It repeats this flow 3 times (as for the first HTTP requests).
During the 2 minutes test (until it fails) there are 14 traces like:
Failed to create process object for pid 7780 with exception System.ArgumentException: Process with an Id of 7780 is not running. at System.Diagnostics.Process.GetProcessById(Int32 processId) at Microsoft.Office.Web.Common.RequestPipe.ProcessManager.TryGetProcessObject(Int32
pid).
We have tried a number of things but none has worked. The farm has just one server and it says ist's unhealthy. We have Windows Server 2008 R2 SP1. We have read some ways to fix the health, like HTTP Activation feature, but it only works
for Windows Server 2012 as fas as we know.
Has anybody experienced something like this or have a posible solution? Office Web Apps Server should be so easy to deploy but we have spent a lot of time with this.
Thank you very much. Your help will be very appreciated.
Kind regards.

Hi John,
According to your description, my understanding is that you cannot view the PowerPoint files in Office Web Apps in SharePoint.
Was there any error when you view the PowerPoint files in Office Web Apps?
You can troubleshoot the error following the link below:
http://technet.microsoft.com/en-us/library/ff431687.aspx#tshoot
I also recommend to re-configure SharePoint to use the Office Web Apps Server to see if the issue still occurs.
http://technet.microsoft.com/en-us/library/ff431687.aspx#ConfigureMain
Best regards.
Thanks
Victoria Xia
TechNet Community Support

Office Web Apps Server Certificate For External

Hi guys,
I am requesting a DigiCert certificate for my environment Exchange 2013.
Can I include the SAN name for Office Web Apps server, such as externalowa.domain.com in to the Exchange generated certificate?
From theory wise it seems logic, but kind of uncertain.
Thanks and Regards,
Low.

Hi Nithyanandham,
Thanks for the prompt reply
I will just list down what I did to be more clear.
I generated a CSR from Exchange 2013 with the following
Webmail.domain.com - for Outlook Web Access, Outlook Anywhere, ActiveSync
Autodiscover.domain.com - for AutoDiscover purposes
Can I include the externalowa.domain.com, which is for Office Web Apps server
Reason is because the Exchange server and Office Web Apps server is located differently. Am I doing the correct way?
Thanks and Regards,
Low

SharePoint 2013 SP1 and Office Web Apps SP1 not working using HTTP

Hi I had problems installing and configuring Office Web Apps 2013 SP1 integrated with SP 2013 SP1.
Do you know if there is any issue?
This is the error in the owa side:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 4/24/2014 10:04:54 PM
Event time (UTC): 4/24/2014 9:04:54 PM
Event ID: 86c0893b9e89427babde2c4e931e0a28
Event sequence: 17
Event occurrence: 2
Event detail code: 0
Application information:
Application domain: /LM/W3SVC/2/ROOT/wv-1-130428459380785645
Trust level: Full
Application Virtual Path: /wv
Application Path: C:\Program Files\Microsoft Office Web Apps\WebWordViewer\
Machine name: SPS-OWAS01
Process information:
Process ID: 13696
Process name: w3wp.exe
Account name: NT AUTHORITY\NETWORK SERVICE
Exception information:
Exception type: HttpUnhandledException
Exception message: Exception of type 'System.Web.HttpUnhandledException' was thrown.
at System.Web.UI.Page.HandleError(Exception e)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.HttpContext.InvokeCancellableCallback(WaitCallback callback, Object state)
at System.Web.UI.Page.LegacyPageAsyncInfo.CallHandlersPossiblyUnderLock(Boolean onPageThread)
at System.Web.UI.Page.LegacyPageAsyncInfo.CallHandlers(Boolean onPageThread)
Unable to determine zone from request
at Microsoft.Office.OpenWebApplication.WopiOM.DecomposeWopiUrl(List`1 actionList, HttpRequest request, WopiAction currentAction, String extension, Boolean forceSsl)
at Microsoft.Office.Web.Apps.Environment.WacServer.WSUrlAdapter.ChangeActionInWacUrl(HttpRequest request, WacUrlApplication application, WacUrlAction currentAction, WacUrlAction targetAction)
at Microsoft.Office.Web.WordViewer.Controls.Application.RegisterApplicationInit()
at Microsoft.Office.Web.Common.AApplication.OnPreRender(EventArgs e)
at Microsoft.Office.Web.WordViewer.Controls.Application.OnPreRender(EventArgs e)
at System.Web.UI.Control.PreRenderRecursiveInternal()
at System.Web.UI.Control.AddedControl(Control control, Int32 index)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.Page.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
Request information:
Request URL:
http://sps-owas01/wv/wordviewerframe.aspx?ui=en-US&rs=en-US&WOPISrc=http://sharepoint.internal/_vti_bin/wopi.ashx/files/8b568ecdf89c44d8afd4132bc0b82b32&sc=http://sharepoint.internal/SitePages/Home.aspx&wdEnableRoaming=1
Request path: /wv/wordviewerframe.aspx
User host address: 10.10.199.27
User:
Is authenticated: False
Authentication Type:
Thread account name: NT AUTHORITY\NETWORK SERVICE
Thread information:
Thread ID: 7
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at System.Web.UI.Page.HandleError(Exception e)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
at System.Web.HttpContext.InvokeCancellableCallback(WaitCallback callback, Object state)
at System.Web.UI.Page.LegacyPageAsyncInfo.CallHandlersPossiblyUnderLock(Boolean onPageThread)
at System.Web.UI.Page.LegacyPageAsyncInfo.CallHandlers(Boolean onPageThread)
Custom event details:
José Quinto Zamora SharePoint and Search Specialist MCITP and MCPD in SharePoint 2010
http://joSharePoint.com

It show me also this message:
<meta content="width=device-width" name="viewport" /><style></style>
Server Error in '/wv' Application.
Unable to determine zone from request
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: Microsoft.Office.OpenWebApplication.DiscoveryEntryNotFoundException: Unable to determine zone from request
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[DiscoveryEntryNotFoundException: Unable to determine zone from request]
Microsoft.Office.OpenWebApplication.WopiOM.DecomposeWopiUrl(List`1 actionList, HttpRequest request, WopiAction currentAction, String extension, Boolean forceSsl) +598
Microsoft.Office.Web.Apps.Environment.WacServer.WSUrlAdapter.ChangeActionInWacUrl(HttpRequest request, WacUrlApplication application, WacUrlAction currentAction, WacUrlAction targetAction) +161
Microsoft.Office.Web.WordViewer.Controls.Application.RegisterApplicationInit() +1766
Microsoft.Office.Web.Common.AApplication.OnPreRender(EventArgs e) +1531
Microsoft.Office.Web.WordViewer.Controls.Application.OnPreRender(EventArgs e) +17
System.Web.UI.Control.PreRenderRecursiveInternal() +113
System.Web.UI.Control.AddedControl(Control control, Int32 index) +12375740
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +150
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +246
System.Web.UI.Page.Render(HtmlTextWriter writer) +40
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +150
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5363
José Quinto Zamora SharePoint and Search Specialist MCITP and MCPD in SharePoint 2010
http://joSharePoint.com

Office web apps feature not working after setup and configuration?

Hi I have installed the SP1 update and since then my office web apps features are not coming up in SharePoint. After running the updates and attaching the farm back i see the bindings and settings are applied but somehow the office web apps features are
not coming up in SharePoint. Can someone let me know what might be the issue?

Did you delete and recreate the WAC farm after you updated?
See: https://technet.microsoft.com/en-us/library/jj966220.aspx
Trevor Seward
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This post is my own opinion and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

Office web apps server (2013) certificate issue

If the name of the farm is different from the name of the individual office web apps server machine is there any way to deploy office web apps server with a single domain SSL certificate?
My office web apps server is working, but reporting itself unhealthy, apparently due to the fact that the SSL cert is for the name of the farm and that is different from the name of the machine.
Errors are 2004, 1004, 2156, 1156, "could not establish trust relationship for the SSL/TLS secure channel"
Going to the farm's discovery URL in the browser works fine, but going to the machine name (plus /hosting/discovery) gives an SSL error because the name of the farm is not the same as the name of the machine.
Is there any way to make it use the farm's URL instead of the machine's URL in its own internal watchdog operations? Or any way to make it use a self signed certificate on the machine's URL for it's own health checks and still use the legitimate purchased
SSL cert for user access? Or any other way you can think of to use a $5.99/yr single domain certificate instead of a $89.99/yr multiple domain certificate?
Bill Coulter

I am experiencing this same issue. The OWA server has sp1 installed. In the OWA event logs I am getting health fails for 2 events and as best I can tell it seems to be related to this issue.
We are also using a single godaddy certificate with a non machine name FQDN. Both internal and external url's of the OWA farm are set to this same name.
The problem only seems to occur with the 'Proofing Watchdog' (See events below).
Has anyone got any update on whether this is supposed to be fixed ?
<?xml version="1.0" encoding="utf-16"?>
<HealthReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<HealthMessage>ProofingWatchdog reported status for Proofing in category 'PositiveWeb'. Reported status: Spelling attempt exception for "good": System.Net.WebException: The underlying connection was closed: Could not establish
trust relationship for the SSL/TLS secure channel. ---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.
<?xml version="1.0" encoding="utf-16"?>
<HealthReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<HealthMessage>ProofingWatchdog reported status for Proofing in category 'NegativeWeb'. Reported status: Spelling attempt exception for "baad": System.Net.WebException: The underlying connection was closed: Could not establish
trust relationship for the SSL/TLS secure channel. ---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.
at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception

Office web apps "Server error in '/wv' Application"

Hi, I successfully installed office web app for sharepoint 2013. However, when I tried to open documents, it shows the preview but once view/edit in browser, I got this error. What seems to be the problem?
Server error in '/wv' Application.
Unable to determine zone from request

Hi ,
According to your description, my understanding is that you encountered the error “Server error in '/wv' Application. Unable to determine zone from request” when you open document using Office Web Apps.
Are you using https:// to access the Office Web Apps server? Is the default zone of your web application in Alternate Access Mappings using http:// ?
If so, you can change the default zone
of your web application in Alternate Access Mappings to use https:// .
Or set AllowOAuthOverHttp to true:
$config = (Get-SPSecurityTokenServiceConfig)
$config.AllowOAuthOverHttp = $true
$config.Update()
Reference:
http://social.technet.microsoft.com/Forums/office/en-US/de49617c-4b0a-4aa9-9877-8f085f48abc2/sharepoint-2013-sp1-and-office-web-apps-sp1-not-working-using-http?forum=sharepointadmin
http://social.technet.microsoft.com/Forums/sharepoint/en-US/f7be5f88-8c98-464e-8596-60956b5e98fd/sharepoint-2013-office-web-apps-problem-unable-to-openviewedit?forum=sharepointgeneral
Best Regards,
Eric
Eric Tao
TechNet Community Support

Office Web Apps 2013 not loading Power Point

I installed Office Web Apps (2013) patched on a 2012 R2 server and I am having issues loading a power point onto the stage in a conference. It says "Loading..." for a few minutes and then eventually says "Either you've lost network connectivity
or our server is too busy to handle your request. Please check your network connection and try again later." Se the error below
Gerald Csakany

For this issue, verify the
Office web Apps configuration and check below link {it's same issue}
http://blogs.technet.com/b/dodeitte/archive/2013/11/10/issue-with-office-web-apps-server-2013-published-externally-using-tmg-2010.aspx
Also refer below link to help you in troubleshooting
http://digitalbamboo.wordpress.com/2013/09/07/how-to-resolve-the-lync-2013-power-point-conference-sharing-error-with-office-web-app-server-wac-some-presenting-features-are-unavailable-due-to-server-connectivity-issues/comment-page-1/
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question, please click "Mark As Answer"
Mai Ali | My blog: Technical | Twitter:
Mai Ali

Office Web Apps Server SSL Certificate

Hi
I am deploying Office Web App Server for Integration with Lync 2013. I opted for secure communication with SSL Certificate. I want this server available to internal and external users.
I am little confused over CA for Issuance of SSL Certificate. On most of the forums, I found SSL Certificate to be issued by Internal CA. If so, will this also work for external users?
If not, then plz guide me for Generating Certificate Request on Office Web App Server to be submitted to External CA for Issuance of Certificate.
Regards.

Hi,
Thanks for your posting in this forum.
I have moved this thread in Lync Server 2013-Management, Planning, and Deployment forum for more dedicated support.
Thanks for your understanding.
Best Regards,
Wendy
Wendy Li
TechNet Community Support

Office web apps Server for Sharepoint 2013

Hello,
I used the following article to install office web apps server and hook it up to a test sharepoint server:
http://technet.microsoft.com/en-us/library/jj219455(v=office.15).aspx. The OWAS service was verified as working by loading:
https://owas.companyname.com/hosting/discovery
For the sharepoint configuration phase, the following commands were run on the sharepoint machine:
1) New-SPWOPIBinding -ServerName "owas.companyname.com" -- (owas.companyname.com) is the host name of the owas server)
2) Get-SPWOPIZone
3) Set-SPWOPIZone -zone "external-https"
However, office documents are still launching in the desktop office applications, not in the browser. Any ideas of what else I may need to do?
thanks,
Sherazad

Hi ,
According to your description, my understanding is that you fail to configure Office Web Apps for your SharePoint 2013.
How about run Get-SPWOPIZone? If you can get a result, it says that your SharePoint have connected with Office Web Apps.
Then you can run below command to change the zone to internal-https.
Set-SPWOPIZone -zone "internal-https"
Reference:
http://technet.microsoft.com/en-us/library/ff431687(v=office.15).aspx
http://stevegoodyear.wordpress.com/sharepoint-2013-build-guide/office-web-apps-2013-server-install-and-configuration/
Thanks,
Eric
Forum Support
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support,
contact [email protected]
Eric Tao
TechNet Community Support

Using Office Web Apps Server 2013 without SharePoint, Lync, or Exchange

I'm trying to use the Office Web Apps Server 2013 as an online viewer of Office documents (using the Online Viewer). I've set up a New-OfficeWebAppsFarm with editing disabled, no UNC paths, and an external URL with SSL Offloaded to my Load balancer.
I don't want to use it with SharePoint, Lync or Exchange. Just use it to view documents online (similar to Google Docs Viewer).
However, when I point the Office Web Apps Server to a remote file online (e.x. a DOC hosted on a website), I get an error opening it.
I've checked the health statuses of my OWA Servers, and it says Healthy.
When I check the Event viewer of my OWA Server, I see 501 WOPI errors:
Could not contact WOPI End Point. Error details - 'NotImplemented url - https://sample-owa-url.com/oh/wopi/files/@/wFileId?wFileId=http%3A%2F%2Fwww%2Eimr%2Esandia%2Egov%2Fimrtemplate%2Edoc&access_token=1&access_token_ttl=0'.
It seems OWA is trying to connect to the path /oh/wopi/files.... but the server is responding NotImplemented.
What do I have to get this to work?
Thanks for any help!

Did you ever find an answer? I have the exact same Issue.
I have 2 WAC servers behind a load balancer with SSL offloaded to the LB. Both servers report healthy with Get-OfficeWebAppsMachine
Works fine with SharePoint 2013.
When I use it with a remote file, served using HTTP with no authentication (anonymous), I get a generic "Sorry there was a problem and we can't open this document..." error.
In the ULS and event viewer, I see the WOPI error and 501 which basically says:
Could not contact WOPI End Point. Error details - 'NotImplemented url - https://sample-owa-url.com/oh/wopi/files/@/wFileId?wFileId=http%3A%2F%2Fwww%2Blah%2Ecom%2FWordDocument%2Edocx&access_token=1&access_token_ttl=0'.
I also sometimes see this:
<HealthMessage>WordViewerWfeWatchdog reported status for WebWordViewer in category 'WfeRedirect'. Reported status: /default.aspx returned a 404, which means that we didn't have where to redirect.</HealthMessage>
The very interesting part s that I have a dev server, with OWA (WAC) installed, thats not going through a LB and does not use SSL, that works just fine with the same public url word document.

Office Web Apps - Preview not appearing when acccessing via HTTPS

I have installed Sharepoint 2013 and Office Web Apps, set the wopibinding, and set the wopizone to be https-external. Everything seems to work fine if accessing the web app using HTTP (can open, edit, preview office web app (WAC) documents)... but if
I access via HTTPS then I run into a mixed content error when trying to preview the WAC documents... I can open them and edit them without issue using office web apps inside the browser though just not preview.
If I select "New document" it also takes a while to load and displays a blank pop up window... assume it must be related
Error message:
XMLHttpRequest cannot load http://xxxx.org.nz/Docs/_layouts/15/inplview.aspx?List={6E…65723B96E}&ViewCount=1&IsXslView=TRUE&IsCSR=TRUE&IsRibbon=TRUE&Cmd=EcbView.
No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'https://xxxxxx' is therefore not allowed access.
[blocked] The page at 'https://xxxxx.org.nz/xx.aspx' was loaded over HTTPS, but ran insecure content from 'http://xxxxxx/Docs/_layouts/15/WopiFrame.aspx?sourced…%20big%20wide%20inter%20web%2Edocx&action=interactivepreview&wdSmallView=1':
this content should also be loaded over HTTPS.

Hi ,
Before you configure SharePoint 2013 to use Office Web Apps Server via HTTPS, make sure that you have set up Office Web Apps Server by following the steps in Deploy
a single-server Office Web Apps Server farm that uses HTTPS or Deploy a multi-server, load-balanced Office Web Apps Server farm
that uses HTTPS.
Best Regards,
Eric
Eric Tao
TechNet Community Support

Lync 2013 Web App Sharing not working.

We are having a problem with Lync Web App 2013. Our external customers can open the meeting link and join the meeting without a problem. Once they are in the meeting an internal user begins the presentation by sharing his screen. The Lync
Web App just says "Loading..." for the external customer. The internal presenter sees this external customer continually change from "in collaboration session" to "not in collaboration session". The external customer
is never actually shown the screen share.
Other notes:
-->We tried this from an external wireless hotspot and it worked fine, thus, it seems something in this customer's company firewall that is blocking it.
-->We also tried sharing a powerpoint (we have a functional office web apps server), which produced the same results.
-->When we used the Lync 2010 Web App (before we upgraded to 2013), everything seemed to work fine, thus I am concluding that the 2013 Lync Web App (since it has more capabilities) is somehow trying to use more ports or something.
-->Internally, the Lync Web app works fine.
So, I assume something in the customer's company's firewall is blocking some access to Lync 2013 Web App. My question is: what needs to be enabled both on-premise and at the customer's side to access Lync 2013 Web App screen sharing and if the
company (for security reasons) doesn't want to open extra ports, is there some work around to force Lync Web App to use port 443 for screen sharing.
Thanks,
Adam

The ports 1024-65535 * are used for application sharing.
You can configure the port ranges for Lync clients.
http://technet.microsoft.com/en-us/library/jj204760.aspx
You can’t use 443 as port 443 is used for HTTPs.
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Office Web Apps server not working externally

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