Install and Configure Office Web Apps for SharePoint 2010
Introduction:
Office Web Apps is introduced for the benefit of remote users who don't have Microsoft Office installed in their machines. This implementation guide walks through step by step on: Installing and Configuring Office Web Apps in SharePoint 2010.
Click “Next” on the Welcome to SharePoint Products window
Click Next
Click Next
Click Finish to complete the successful office web apps installation
Browse to the site collection, click on Site Actions à Site Settings.

Office Web Apps is introduced for the benefit of remote users who don't have Microsoft Office installed in their machines. This implementation guide walks through step by step on: Installing and Configuring Office Web Apps in SharePoint 2010.
Steps Overview
To install office web apps in SharePoint 2010, it takes these three steps:- Install Office Web apps binaries & run products and technologies configuration wizard
- Start the Office web apps services & create service applications
- Activate the Office web apps in site collections
Important
- When installing on a SharePoint farm (not a standalone installation), you will need to install Office Web Apps on every server. You can load balance and install Office Web Apps on multiple servers to optimize performance.
- Service accounts you use need to have read/write access to the SharePoint Configuration database and all content databases that house the site collections where Office Web Apps was activated
Install Office Web Apps
Download and start Office Web apps installation by running setup.exe. Provide the product key on Enter
Your Product Key page, and click Continue.
Check the box next to I Accept the Terms of This Agreement and
click "Continue"
Choose the file location and click on “Install Now” button
Wait for the installation to complete
Run Products &
Technologies configuration wizard
Upon successful installation, we will be presented with “Run
Configuration Wizard” window. Leave the check box ticked, next to Run the
SharePoint Products Configuration wizard and click “Close”.
If you didn’t tick the check box, and closed the wizard by
mistake: Launch the Product and Technologies Configuration wizard from Start
>> Programs >>
Microsoft SharePoint 2010 Products >> SharePoint 2010 Products
Configuration Wizard and let it run.
Click Next and click Yes to
acknowledge the restart of IIS, SharePoint Administration and Timer Services.

Click Next
Click Next
Click Finish to complete the successful office web apps installation

2. Start the Office web apps services & create Service Applications
The next step is: starting the required Office Web Apps
services from Central Administration >> System Settings >> Manage services on server.
Start these Services:
- Excel Calculation Services
- PowerPoint Service
- Word Viewing Service
Creating Service Applications
Let’s create service applications for office web application
by navigate to Central Administration à Application Management à Manage service
applications.
Click on New >>
PowerPoint Service Application
Enter the following details to complete the creation of the PowerPoint Service
Application. Make sure you select “Add Application Proxy to Default
group” check box.
Make sure the service application pool account has db_owner access rights on the content databases. Click OK
Now, We have the PowerPoint service
application ready. Repeat this step for
other service applications: “Word Viewing Service” and “Excel Services Application” Activate the Office Web Apps
We must activate Office Web Apps on each site collection
based on our requirement. PowerShell can be utilized to activate Office web
apps on multiple site collections at once!
$webAppsFeatureId = $(Get-SPFeature -limit all | where {$_.displayname -eq "OfficeWebApps"}).Id Get-SPSite –limit ALL | foreach { enable-SPFeature $webAppsFeatureId –url $_.URL }
Browse to the site collection, click on Site Actions à Site Settings.
Under Site Collection Administration, click on Site
Collection Features.
Navigate down the page until you find Office Web Apps and
click on Activate.
You should now be able to open a Microsoft Word document
from a document library on your SharePoint site and it should launch within the
browser by default.
By default, Office Web Apps makes documents to open in browser!
Unit Test:
You should now be
able to open any Microsoft office document, Excel Sheets, PowerPoint
Presentations from SharePoint document library by just clicking on View
in Browser, Open in Browser ECB Menu items.
If you see View or Edit in Browser as menu item, your Office
Web Apps is configured correctly.
This
should render the document in the browser and enable the end user to edit.

In SharePoint 2013, Office Web Apps is no longer a service application that is
part of your SharePoint farm. Instead it
is installed as a separate farm.
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