Update Rollup 2 for CRM 2013 (2919956)

Released on 22/3. This is a cumulative updates.
Support for the following items:
    -Windows 8.1 and Internet Explorer 11 using CRM 2013 web application and CRM for Tablets
    -iOS7 support with Safari on iPad using the web application
    -Support for Safari using web application and CRM for Tablets using the tablet app for iPad Air
    -Windows Server 2012 R2 for CRM Server

Download from here
KB2919956

Visual Studio Error: The project type is not supported by this installation

Just some quick tips on how I solve the visual studio error "the project type is not supported by this installation"
I got this error when I tried to copy a plugin solution into another VM.

Solution:
Open the csproj file in notepad
Search and replace the ProjectTypeGuids with the line below:

<ProjectTypeGuids>{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>

SQL Server 2008 Native Client cannot be found

 Hit a weird issue while trying to install SQL server 2008 native client. I'm sure i have the correct installer and is extracted to local drive. Throw me resource unavailable 'sqlncli_x64.msi' not found.

Log file shows : "An installation package for the product Microsoft SQL Server 2008 Native Client cannot be found. Try the installation again using a valid copy of the installation package 'sqlncli_x64.msi'."

Endup is the issue with previous installation caused some incomplete setup on the client, go into control panel, find the SQL 2008 native client.
Unintall the existing client, then reinstall. Everything run successfully after that.

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HTTP Error 401.3 when browsing CRM page

If this error happen to show when browsing CRM page:

HTTP Error 401.3 - Unauthorized
You do not have permission to view this directory or page because of the access control list (ACL) configuration or encryption settings for this resource on the Web server.

First navigate to CRM application pool, check the Anonymous setting. Find out what is the identity.
By default is set to IUSR.

Then navigate to CRM folder, make sure you gave the permission to "IUSR" & "IIS_IUSRS" read and write permission. Remember to replace child permission for all items in subfolders.

This steps solved my issues ;)