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Posts Tagged ‘APPs’

Difference between SharePoint hosted, Autohosted apps and SharePoint hosted apps

The following image can give you an overview of the entire app schema:

Following you can read the definition for each type of hosted app:

SharePoint hosted app
SharePoint-hosted apps, or apps where all components are hosted on either an on-premises or Office 365 SharePoint farm. SharePoint-hosted apps are installed on a SharePoint 2013 website, called the host web. They have their resources hosted on an isolated subsite of a host web, called the app web. It’s important to know the difference between host webs and app webs. .

Provider hosted apps
Provider-hosted apps for SharePoint include components that are deployed and hosted outside the SharePoint farm. They are installed to the host web, but their remote components are hosted on another server.

Autohosted apps
Autohosted apps for SharePoint are cloud-hosted apps whose remote components are provisioned and deployed for you on Windows Azure. As with a provider-hosted app, an autohosted app for SharePoint can interact with a SharePoint website but also uses resources and services that are located on a remote site that is hosted by Windows Azure. The SharePoint 2013 installation provisions and deploys these resources for you.

The main difference is that with auto-hosted apps all Windows Azure and Windows Azure SQL Database components are provisioned for you when the app is installed and the Windows Azure Web Sites infrastructure handles load balancing and other important maintenance tasks for you.

When using provider-hosted apps, you’re responsible for provisioning what’s necessary to support the app.

For more information, please: http://msdn.microsoft.com/en-us/library/office/fp179887(v=office.15).aspx

Common issue when using SharePoint 2013 Multi Tenant environment (Apps and User Profile Synchronization)

Scenario :  When using SharePoint 2013 Multi Tenant environment you may come across multiple issue. Below are very important and commons issue I have troubleshoot till date.

Issue 1 : When users try to access SKYdrive and Newsfeed. Get below error message:
Error : Exception occurred loading user profile (/mysite/default.aspx): System.ArgumentNullException: Value cannot be null.  Parameter name: userProfileApplicationProxy

Solution:
Here the site subscription is not added to the tenant site. To resolve the issue we need to follow below steps:

$sub = get-spsitesubscription “yourGUID”;
$site = get-spsite “https://youronedrivesite.yourdomain.com/personal/user”
set-spsite -identity $site -SiteSubscription $sub

Issue 2 : When users try to add app to their SharePoint site. they get below error:
Error : “apps are turned off if you know who runs the server tell them to enable apps”

Solution:
Every Tenant Admin will require a new App Catalog. It is different from app catalog created in central admin(Make sure Self site creation is enabled in order for App Catalog to get created)

$Sub = Get-SPSiteSubscription http://hhmodeSite (This CMDlet will help in fetching the subscription ID of the HH mode site collection)
Set-SPAppSiteSubscriptionName -Name “Name for Subscription” -SiteSubscription $Sub

We need to run the above command in order to set the unique name for domain under which these apps will run.More details can be found under http://technet.microsoft.com/en-us/library/jj219503.aspx

Issue: How to check which Active Directory OU is assigned to which Site Collection

Solution :
Normally you can see the details of each site collection using below:
Get-SPSiteSubscription –Identity http://hosted-site-URL

If you want to see details of all tenant at once, try below:
– In “Your_Tenant_Profiles_Service_ProfileDB” run below query

SELECT TOP 1000 [CanonicalMySitePortalUrl],[SynchronizationOU]
FROM [Your_Tenant_Profiles_Service_ProfileDB].[dbo].[Tenants]

 

Reference:
http://blogs.technet.com/b/harmeetw/archive/2013/01/03/sharepoint-2013-you-receive-quot-sorry-apps-are-turned-off-if-you-know-who-runs-the-server-tell-them-to-enable-apps-quot-when-trying-to-add-apps-on-host-header-site-collection.aspx
http://social.technet.microsoft.com/Forums/office/en-US/a04a9163-1f9d-4519-891e-4d6ca8d9528a/setup-mysites-in-a-multitenant-sp2013-farm?forum=sharepointadmin#98a30156-a4ca-46f6-bf1a-47d08f54013d