High availability for Lync 2013 persistent chat server and office web app server

I have 1500 users, need HA in primary data center and DR also. looking for HA and DR solution for persistent chat server and office web app server.
is below correct?
1. 2 persistent chat server in a pool of primary data center and 1 in DR. can this be reduced or any changes?
2. 2 Office web app server in a pool of primary data center and 1 in DR. can this be reduced or any changes?
also do i need HLB for both roles?

1) In Lync Server 2013, there are improvements in both high availability and disaster recovery:
High availability improvements: SQL Server mirroring is used to provide high availability for the Persistent Chat Server content database and Persistent Chat compliance database within a data center (in-site).
Disaster recovery improvements: Persistent Chat Server supports a stretched pool architecture that enables a single Persistent Chat Server pool to be stretched across two sites (that is, a single logical pool in the topology, with servers in the pool physically
located across two sites). SQL Server Log Shipping is used for cross-site disaster recovery.
For more information about high availability and disaster recovery, see
Configuring Persistent Chat Server for High Availability and Disaster Recovery in the Deployment documentation.
2) for HA & DR, you can 2 Office web app server in a pool of primary data center and 1 in DR. and You will need HLB for office web app servers
http://blogs.technet.com/b/meamcs/archive/2013/03/27/office-web-apps-2013-multi-servers-nlb-installation-and-deployment-for-sharepoint-2013-step-by-step-guide.aspx
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Mai Ali

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SharePoint 2013 Anonymous (public) site and Office Web Apps Server 2013 issue with download.aspx

Our organization has a public facing anonymous site in SharePoint 2013 which allows access to documents (docx) in a library. ViewFormsLockdown is activated as we present the documents via CQWP / custom template. We are combating the usual
issue of multiple login prompts when using Internet Explorer when a user accesses said document. We also have tried using the Word Viewer (view only mode) from Office Web Apps Server 2013 which works well, but ...
the problem stems from the fact that users can go the file menu from the word view and choose to download the document (which is what we want), unfortunately it looks like the link redirects via /_layouts/15/download.aspx which also presents a login
prompt. Much has been written out there about doing direct links for documents via /_layouts/download.aspx to address multiple login prompts when the document is opening in word (from IE).
I've tried nearly every combination of recommendations (disabling client integration, browser file handling (permissive/strict), ViewFormsLockdown feature, web.config modifications with options and propfind verbs and more) all to varying levels of success,
but never totally getting rid of the prompt. It has been stated that because the downloads.aspx inherits from Microsoft.SharePoint.ApplicationPages.Download this will not allow anonymous access. We really want to use the word view from the Office
web app and have the file download functionality work from the menu there ... can anyone suggest an alternate fix? I might be wishing but will appreciate any guidance offered ...
cheers,
Dean
some reference links (but not all) for various things we've tried:
http://mohitvash.wordpress.com/2013/06/18/sharepoint-download-a-file-programatically/
http://blog.sharedove.com/adisjugo/index.php/2012/09/29/open-sharepoint-files-in-edit-mode-from-client-applications-and-not-read-only/
http://stackoverflow.com/questions/375390/office-documents-prompt-for-login-in-anonymous-sharepoint-site
http://yalla.itgroove.net/tag/anonymous-access/
Glifnard

I'm glad to here that the problem has been fixed. Thank you for sharing your experience here, it will be helpful to other community members who have similar questions.
Cheers,
Steve Fan
TechNet Community Support

Office Web Apps server / Lync server 2013

Hi I have installed a Lync 2013 Server and Office Web Apps Server. Configured Lync topology, Office Web Apps farm and certificates.
However when i start the services i get this error message in the log saying Office Web Apps discovery failed.
Event ID: 41033
Description:
Office Web Apps Server (WAC) discovery failed, PowerPoint content is disabled.
Attempted Office Web Apps Server discovery Url:
Received error message: Invalid Uri syntax for WAC configuration
The number of retries: 1,
Cause: Office Web Apps Server may be unavailable or network connectivity may have been compromised.
Resolution:
Check HTTPS connectivity from this box to the Office Web Apps Server deployment using the discovery Url.
I can access the OWAS server Url from Lync Server
Connecting to the HTTPS discovery URL is working fine, and brings up the XML-page (after i click "show all content").
The two servers are located on the same internal network, DNS resolves fine both ways, and no firewall rules blocks any connections between the two. Can anyone please help me figure this out?
Only identical problem found online is here (Invalid Uri syntax for WAC configuration):
http://blogs.technet.com/b/dodeitte/archive/2012/09/10/office-web-apps-server-amp-lync-server-2013.aspx
He resolved the problem by assigning a new OAuthTokenIssuer certificate. This however did not fix the problem in my case.
Regards
Sverre A. Veel

Hi,
In addition, please make sure you have restarted front end and office web apps server after reissuing the certificate.
Kent Huang
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

Office Web Apps Server June 2013 Cumulative Update Excel Freeze Pane and Hide/Un-hide Feature Missing

Hi,
I have recently updated the Office Web Apps Server to the June 2013 Cumulative Update (KB2817350) which was published with the new features that allow rendering of freeze pane, hide/un-hide the excel worksheet and row/columns, Header
Row Snapping, Sorting, Data Validation and Autocomplete. i have followed the TechNet article (http://technet.microsoft.com/en-us/library/jj966220.aspx)
to update the office web apps server. Current setup is a SharePoint 2013, SQL 2012 and Office Web Apps server. All server are installed on Windows server 2012.
3vild3vil

Hi,
Sorry to inform you that these new features are specific to cloud Excel Web App in both SkyDrive and Office365. There is no update available for on-premise Excel Web Apps installed locally
yet. Thank you for your understanding.
http://blogs.office.com/b/microsoft-excel/archive/2013/06/26/we-ve-updated-excel-web-app-what-s-new-as-of-june-2013.aspx
Miles LI TechNet Community Support

OWA Blank Attachment Preview with Office Web Apps Server

Environment: Exchange 2013 CU3 / Office Web Apps Server 2013
OS: Windows Server 2012 R2
After implementing Office Web Apps server per the Integration with Exchange 2013 instructions, attachment previews in OWA show up as blank windows. The pop up says Opening your mailbox, then goes blank. I have the WAC endpoint configured in Exchange,
I can access the discovery URL from the Exchange servers, and I am seeing event 142. Some forums say that these events should be in the CAS application logs. I am seeing mine in the Mailbox server app logs. Has anyone seen a similar issue.
I have also attempted to view the ULS logs on the Office Web Apps server, but I don't see anything that looks like a rendering request. But, I also don't know what that request would look like. The Exchange and Office Web Apps server are
in the same network with no firewall in between them The local firewalls have also been turned off, so any type of blockage should not be the issue.

I dont want to be happy too soon, but i think for me this did the trick:
from time to time, this event appeared in the application eventlog:
Source: MSExchange Certificate Deployment
Event ID: 2005
Task Category: General
Level: Warning
Keywords: Classic
Description:
Federation or Auth certificate not found: ED2C3E86EBE821AAC2C0DEA85CAB5787E2CAC5F3. Unable to find the certificate in the local or neighboring sites. Confirm that the certificate is available in your topology and if necessary, reset the certificate on the Federation
Trust to a valid certificate using Set-FederationTrust or Set-AuthConfig. The certificate may take time to propagate to the local or neighboring sites.
The solution was found here: http://community.spiceworks.com/topic/512374-missing-the-microsoft-exchange-server-auth-certificate
1. New-ExchangeCertificate -KeySize 2048 -PrivateKeyExportable $true -SubjectName "cn= Microsoft Exchange Server Auth Certificate" -DomainName "*.yourdomain.com" -FriendlyName "Microsoft Exchange Server Auth Certificate" -Services smtp
Do not accept to replace the SMTP certificate when prompted
2. Note the thumbprint of the new certificate. Let us assume it is 7A39541F8DF58D4821967DD8F899B27410F7C081
3. $a=get-date
4. Set-AuthConfig -NewCertificateThumbprint 7A39541F8DF58D4821967DD8F899B27410F7C081 –NewCertificateEffectiveDate $a
Accept to continue despite the fact that the certificate effective date is not 48 hours into the future
5. Set-AuthConfig –PublishCertificate
6. Make sure to remove any potential reference to the previous certificate (which might not exist anymore) by doing Set-AuthConfig -ClearPreviousCertificate
Maybe this helps some of you too.

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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Sean Xiao
TechNet Community Support

High Availibity solution for office web app server 2013 for Sharepoint 2013

I have a scenario with the three nodes SP1 , SP2 and DR-SP with server 2012 standard, each running SharePoint 2013 enterprise, All of three nodes are members of single SharePoint farm that spans two data centers.Primary Data Center have two nodes SP1 , SP2
and DR data center have one node DR-SP of share point 2013.
For Office webapp server i have two nodes OWA1, and DR-OWA with server 2012 standard, that spans between two data centers.Primary Data Center have OWA1 and DR data center have one node DR-OWA of office web app server.
Currently i have configured office web app on primary data center node OWA .How i can enable high availability of office web app server in case of primary data center outage.Please guide.

WAC servers on a single farm must be in the same data center. The WAC configuration you've proposed is unsupported. Build a separate WAC farm in the secondary data center and attach it to the SharePoint farm only in the event of a disaster.
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.

Load balancing and HA for office web apps server Lync 2013

Hi,
I have 12000 users, 3 FE servers in a pool, 2 edge server in a pool, HA required, IM/presence, A/V, WEb conferencing required. plan to have 2 office web apps server a farm with HA, below are my queries
1. which type of load balancing i need....DNS or HLB for office web app servers? if its HLB then is it mandatory?
2. i have already 2 HLB for FE pool .. one for externa url , one for internal URL...can i use the same HLB for office web app servers ?
3. one more question regarding EDGE pool load balancing, can i use the same HLB in EDge pool also that i am using for FE pool?

Hi,
1. which type of load balancing i need....DNS or HLB for office web app servers? if its HLB then is it mandatory?
WebApps runs on https and you cannot load balance http traffic using DNS load balancing. you need to have a HLB.
2. i have already 2 HLB for FE pool .. one for externa url , one for internal URL...can i use the same HLB for office web app servers ?
you can use the same HLB for that
3. one more question regarding EDGE pool load balancing, can i use the same HLB in EDge pool also that i am using for FE pool?
for that one, you probably need a separate HLB.
Z-Hire -- Automate Lync User Account creation process ( AD / Exchange / Lync )

Office Web Apps server for Lync DNS question

We are going to deploy an Office Web Apps server for our Lync 2013 clients, available internally and externally. We do not have a split-horizon DNS so it is not possible for wac.foo.com to have a different IP for internal vs. external clients. What is the
best setup for our scenario? It looks like we can only add one address in the Lync topology builder, so would it make sense to send everybody to the external wac.foo.com regardless of whether they are internal vs. external? Or is there a better option?
Thanks,
Matt

It might be easiest to use pin-point DNS. Create an internal zone called wac.foo.com with a blank A record that points to the internal IP address of the OWAS/WAC server. This way, wac.foo.com will resolve to the correct
internal address, but you're not setting up a split zone for the rest of foo.com.
This trick can come in handy for publishing other items without recreating the entire zone, it's a nice one to keep in your back pocket.
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".
SWC Unified Communications

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 server Lync 2013

Hi All,
I have logged onto my Volume licensing site and could not search Office Web Apps servers for download?? I wonder how do i download it?

Hi channavera,
Office Web Apps Server was removed from the Microsoft Download Center. Now it only was available for
download under Volume Licensing agreements. For more information please read the FAQ below or visit the site Volume Licensing
Service Center.
FAQ
Why is Web Apps Server being removed from the Microsoft Download Center?
VLSC is best suited as the location from which to serve all customers according to their agreements with Microsoft.
What about existing installations? Do I need to re-license them?
No. Web Apps Server installations and/or downloads that occur before 11/24/14 will continue to be licensed for free viewing.
Will there be an evaluation version for Developers and IT Pros?
Evaluation availability will continue on MSDN for subscribers. Additionally, Volume License agreements allow for product evaluation.
From
http://blogs.technet.com/b/office_sustained_engineering/archive/2014/10/22/web-apps-server-removal-from-download-center.aspx
Best regards,
Eric

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

Installation - Office Web Apps Server on SharePoint 2013 Foundation - Download missing

Hi all,
I'm trying to download Office Web Apps Server.
As of November 24th, the download was relocated on the Volume Licencing Center (as per this
link ).
Connected to VLCS, I'm trying to find the download from the tree / using filter..... I'm not finding anything.
Was the product renamed / not available at this time ?
Thx

Are you aware of the type of subscription needed to download it?
The client I work for is a government department.... I think they have quite a big subscription!
Thx.
Update
I just found a great link to the list of products available thru the Volume Licensing Program
(http://www.microsoft.com/licensing/products/products.aspx#tab=2).
Office Web Apps Server requires an Office 2013 Licence.... We are checking this requirement right now...

Using Office Web Apps Server with SharePoint Foundation 2013

I want to know whether I can configure Office Web Apps server to edit Excel documents on a SharePoint Foundation 2013 site.
I came across a TechNet article that states that "When used together with SharePoint Server 2013, Office Web Apps Server provides updated versions of Word Web App, Excel Web App, PowerPoint Web App, and OneNote Web App".
However, later in the same article, it states "If your organization licenses Office 2013 through a Volume Licensing program, you can enable Office Web Apps editing for SharePoint 2013 on-premises" (without mentioning Foundation or Server).

Hi Lemesnil,
The Office Web App server should support the Edit licenses for SharePoin Foundation 2013, Office Web App is free to
download, you can also try installing and configuring in a test environment, see more from the below article applied to SharePoint Foundation 2013.
http://support.microsoft.com/kb/2886404/en-us
http://blogs.technet.com/b/speschka/archive/2012/12/31/enabling-licensing-and-editing-for-office-web-apps-in-sharepoint-2013.aspx
Anohter useful article aobut how to license Office Web App server, you can take a look.
http://blogs.technet.com/b/volume-licensing/archive/2013/05/22/how-to-license-office-web-apps-server.aspx
Thanks
Daniel Yang
TechNet Community Support

High availability for Lync 2013 persistent chat server and office web app server

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