Upgrade from SharePoint 2010 to 2013 - Part 2

This is part 2 of the upgrade from SharePoint 2010 to 2013 where we will be looking at the upgrade improvements.

Please check the part1 upgrade from SharePoint 2010 to 2013 of this series here.

Upgrade Improvements:

There are a few improvements in the database base attach upgrade process for SharePoint migration.

Please find the below improvements.

            1. Deferred site collections upgrade.

             2. Site collections health checks.

             3. Upgrade evolution site collections.

             4. System event notification.

             5. Logging changes.

             6. Site collection upgrade throttling.

             7. New Upgrade Process.

1: Deferred site collections upgrade

Allows existing 2010 site collections to work with SharePoint 2013.

Replaces the Visual upgrade

  1. The site collection upgrade process is not reversible
  2. Visual upgrade preserved only the old master pages, CSS files, and HTML files
  3. Deferred site collection upgrade preserves much more, including SharePoint Feature functionality
  4. One key difference is that the granularity of upgrading the user interface is per site collection (SPSite) instead of the site (SPWeb)

Deep backward compatibility.

2:Site collections health checks

  • In SharePoint 2013 we have a few rules which run against the site collections to verify whether it is working or not.
  • Before upgrading the site collection site owner need to run site collection health checks. 

You can run this using Power shell script or OOB settings.


  • Test-SPSite -Identity <SiteURL> [-Rule <RuleID>]
  • Repair-SPSite -Identity <SiteURL> [-Rule <RuleID>]


UI for site collection Admin:

Go to Site settings under site collection administration click on Site collections health check.

site collections health check

Once we click on start checks below details list will display. Please see the below screenshot.

site collections health check Results

The above screenshot Show's the rules.

  1. Customized files.
  2. Missing gall5. 1.1.3 Upgrade evolution site collections series.
  3. Missing site templates.
  4. Un supported Language pack references.
  5. Unsupported MUI references.

If the above screen shows any errors we need to fix the errors before migrating the site collection.

After resolving we can click to try it again and check what the results are.

3.Upgrade evolution site collections

  1. It allows upgrade preview of existing sites in 15 modes.
  2. Makes side by side copy of the existing site collection.
  3. Send an email notification when copy and upgrade is completed.

From The site settings under site collection administration click on the site collection upgrade.

Where we will get an option for a trail a demo upgrade.

Create Upgrade Evaluation site collection

From the above screenshot if we click on “Create Upgrade Evaluation site collection “ It will below confirmation message.

Create Upgrade Evaluation site collection

After completion of demo upgrade user will receive an email confirmation with URL of evolution site collection.

4: System event notification

After attaching the content Db to the respective webapplication new SharePoint 2013 Farm, whenever we open the new site collection it will show message as “Experience all that SharePoint 15 has to offer. Start now or Remind me later”.

Experience all that SharePoint 15 has to offer. Start now or Remind me later

5: Logging Changes

Logging has been changed to ULS format.

  1. TSV format allows improved parsing.
  2. Can be imported to Excel.
  3. Includes correlation ID.

Per SPSite logs available for site collection administrator.

SPSite logs

6: Site Collection upgrade Throttling

This feature prevents self service site collection upgrade. It uses the Upgrade Timer Job.

This can be achieved at three levels:

  1. Application pool level.
  2. Content DB level.
  3. Content Level.


So far in this series of posts we have seen the new upgrade improvements SharePoint 2013.

Hope you have enjoyed the SharePoint migration part 2 of this series.

In part3 upgrade from SharePoint 2010 to 2013 we will see what is the new upgrade process in SharePoint 2013 compared to SharePoint 2010.

› Upgrade from SharePoint 2010 to 2013 - part2

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About Author

Devendra Velegandla is a five-time recipient of Microsoft's Most Valuable Professional (MVP) award (2014-2019) for Office Apps and Services, Office Servers and Services MVP and  SharePoint Server. He received the MCC award for his contributions in Microsoft MSDN/TechNet forums. He loves sharing articles, videos, and tutorial on SharePoint and Office 365.