Introduction
Microsoft SharePoint Server 2010 Service Pack 1 (SP1) provides the latest updates for SharePoint Server 2010. This service pack includes two main categories of fixes:
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Previously unreleased fixes that were made specifically for this service pack. In addition to general product fixes, these fixes include improvements in stability, performance, and in security.
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All the public updates that were released through June 2011, and all the cumulative updates that were released through April 2011.
Known issue
After you install SharePoint Foundation 2010 SP1 or SharePoint Server 2010 SP1, you must also install the corresponding June 2011 Cumulative Update refresh package. For more information about these updates, click the following article numbers to view the articles in the Microsoft Knowledge Base:
2536601 Description of the SharePoint Foundation 2010 cumulative update package (SharePoint Foundation server-package): June 30, 2011
2536599 Description of the SharePoint Server 2010 cumulative update package (SharePoint server-package): June 30, 2011
Resolution
How to obtain and install the service pack
The following file is available for download from Microsoft Download Center:
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
For more information about a complete list of all released SP1 server packages, click the following article number to view the article in the Microsoft Knowledge Base:
2510766 List of all Microsoft SharePoint 2010 and Office server Service Pack 1 (SP1) packages
Prerequisites
If the Office Online is used in a mixed version environment, where Office Online has SP1-or-later is applied while SharePoint Server 2010 remains on the Release To Manufacturing (RTM) version, you must install the following two updates before you install SP1 for Office Online:
Overview of SharePoint Server 2010 SP1 improvements
Specifically, these are the key areas of improvement in SP1:
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Improved support for Internet Explorer 9.
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Recycle bin: Lets you restore a site collection or a web that was deleted.
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Remote Backup Systems (RBS) and shallow copy can decrease downtime and increase efficiency by moving pointers to databases instead of moving databases.
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You can see which folders are taking up valuable space with the improved Storage Management feature in site settings.
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Support for Microsoft SQL Server 2012.
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A more robust Search Host Distribution service that improves error recovery and performance during the search crawl.
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Adds backup and restore functionality to recover deleted site collections and webs.
Downloadable list of issues that the service pack fixes
A workbook is available that lists the issues that are fixed by this service pack.
Note This workbook is in the English language. It is not translated into any other languages.
Known issues and behavior changes
After SharePoint Server 2010 SP1 is installed, the Workflow feature is disabled when a new site collection is created. You can enable the Workflow feature of a new site collection in the Site Collection Settings page.
2532126 Known issues that you may experience when you install the Microsoft Office 2010 Service Pack 1 and Microsoft SharePoint 2010 Service Pack 1
Technical information
For more information about this service pack that includes a list of files affected, click the following article number to view the article in the Microsoft Knowledge Base:
2532120 Technical details about the Microsoft SharePoint 2010 and Office server Service Pack 1 (SP1) releases
