Error occurred in deployment step 'Install app for SharePoint': App Management Shared Service Proxy is not installed

Go to section: Configure an isolated app domain to create and deploy SharePoint-hosted apps in below link.

http://msdn.microsoft.com/library/office/fp179923(v=office.15)

Solution - stuck on starting user profile synchronization service

Restart all the servers in farm to restart the UPS service.

SharePoint 2013 - Failed to create sample data error while installing in standalone mode

Run the below command

psconfig.exe -cmd Configdb create SkipRegisterAsDistributedCacheHost

SharePoint 2013 - Distributed Caching

It's great feature of SharePoint 2013. The Distributed Cache service helps in maintaining caching services there by improving performance of the SharePoint applications.

It applies caching to following features in SharePoint 2013. It consumes more memory. So, be careful when you use this service. Do not configure this service on the servers like SQL Server Project Server, Excel Services.

• News feeds
• Authentication
• OneNote 
• Security Trimming
• Page load performance

SharePoint 2013 Out of Box Web Parts

A very good information posted by Laura.All SharePoint 2013 out of box web parts are explained in detail with screenshots. Very useful to SharePoint users.

http://www.wonderlaura.com/Lists/Posts/Post.aspx?ID=214

How to use a mobile phone camera as a webcam

An interesting post that I come across today. Simple steps to handle it and can anyone start using your mobile camera as webcam to the PC or laptop.

http://arelab.blogspot.com/2012/10/how-to-use-mobile-phone-camera-as-usb-webcam.html

PowerPoint Web App cannot open this document due to an unknown error. if the problem persists, try opening the file in microsoft word

Hopefully it will be useful to someone who is struggling to resolve this issue.

Following is Checklist points to resolve this issue

1. Verify the PowerPoint Services is started on OWA Server.

2. Verify that PowerPoint Service App and their proxies are created

Go to Central Admin -> Application Management -> Manage Service Application 

3. Verify the Service Application proxies are configured to the default proxies of the Web Application 

Manage Web Application -> Select Web Application -> Click on Service Connections on the ribbon -> Verify OWA Service Apps are checked.

4. Verify the App Pool account that is configured for the PowerPoint service is added as login account with DB Owner Permissions to the Content database of the Web Application

5. Run the PSConfig on all the servers. Use either SharePoint Configuration wizard or powershell psconfig command to perform this operation

6. Re-create the PowerPoint Service app if they are already created.

7. Restart IIS on all servers

8. Finally Restart all servers in farm