Failure Cause: The database schema version is less than the minimum backwards compatibility schema version that is supported for this component. To resolve this problem upgrade this database.

If you get this error, go to PowerShell Command, and type the following:

(get-spserver $env:computername).NeedsUpgrade

then, if it false, run the following from VSS Administrative command prompt:

PSConfig.exe -cmd upgrade -inplace b2b -force -cmd applicationcontent -install -cmd installfeatures

SharePoint 2010 website requires you to log in - error

add <computer name\server>\users Read & Execute, List Folder Contents and Read permissions.

Enable Document Sets for a site collection

Enable Document Sets for a site collection

If the Document Sets feature has not been activated for your site collection, you will need to activate it before you can create or configure new Document Set content types. You must be a Site Collection Administrator to activate the Document Sets feature.

1. Go to the top-level site in the site collection for which you want to enable Document Sets.
2. On the Site Actions menu, click Site Settings.
3. Under Site Collection Administration, click Site collection features.
4. Find Document Sets in the list, and then click Activate.

Turn on support for multiple content types in a list or library

Turn on multiple content types in a list

1. Open the list or calendar for which you want to enable multiple content types.
2. On the ribbon, under List Tools, click the List tab.
3. In the Settings group, click List settings.
4. In the General Settings section, select Advanced Settings.
5. In the Content Types section, click Yes under Allow management of content types?
6. Change any other settings that you want, and then click OK.

This website has been configured to disallow editing with SharePoint Designer 2010

For site collection administrators on the web application

This disables SharePoint Designer for site collection administrators and as a result, all users, of the web application and its site collections.

1. Log on to Central Administration.
   Note For more information on accessing Central Administration, see Central Administration Help.
2. In the left navigation, click General Application Settings.
3. On the General Application Settings page, click Configure SharePoint Designer settings.
4. To change the web application where you want to apply your settings, click the currently selected application and choose Change Web Application. Then on the Select Web Application screen, click the application you want to use.
5. On the SharePoint Designer Settings page, uncheck the box Enable SharePoint Designer.
6. Click OK.

To configure browser-enabled user form templates by using Windows PowerShell

To configure browser-enabled user form templates by using Windows PowerShell

1.     Verify that you meet the following minimum requirements: See Add-SPShellAdmin.

2.     On the Start menu, click All Programs.

3.     Click Microsoft SharePoint 2010 Products.

4.     Click SharePoint 2010 Management Shell.

5.     At the Windows PowerShell command prompt, type the following command:

Set-SPInfoPathFormsService -AllowUserFormBrowserEnabling <BrowserEnablingSetting> -AllowUserFormBrowserRendering <BrowserRenderingSetting>

more details @ 

Creating Trusted Login Providers (SAML Sign-in) for SharePoint 2010

The following links explain how to create a custom security token service (STS) and then set up a trust relationship between a SharePoint 2010 farm and the custom STS.






http://blogs.msdn.com/b/kaevans/archive/2010/07/09/creating-a-custom-login-page-for-sharepoint-2010.aspx
http://blogs.msdn.com/b/kaevans/archive/2010/07/09/sql-server-provider-for-claims-based-authentication-in-sharepoint-2010.aspx
http://www.devx.com/enterprise/Article/35068



http://msdn.microsoft.com/en-us/library/gg615945(v=office.14).aspx
http://blogs.msdn.com/b/kaevans/archive/2010/07/09/creating-a-custom-login-page-for-sharepoint-2010.aspx
http://msdn.microsoft.com/en-us/library/ff955607.aspx
http://blogs.southworks.net/aortega/2010/08/13/sharepoint-2010-and-adfs-sign-in-as-a-different-user/