Applies to:
Windows 7 Service Pack 1
Windows 7 SP1
Windows Server 2008 R2 Service Pack 1
Windows Server 2008 R2 SP1

Note: You should check http://support.microsoft.com for the latest version of the different files.

Note 2: As any hotfix, you should test in your Test and/or Quality Assurance environment before being rolled out.

List of Windows Search Service related hotfixes post SP1 for Windows 7 SP1 and Windows Server 2008 R2 SP1 as of Nov. 2012:

Windows 7 SP1 and Windows Server 2008 R2 SP1
================================
2742185 Outlook 2013 crashes when you search for email messages in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2742185

Update(s):
Propsys.dll  7.0.7601.22083 

2728379 Large version store size causes high CPU usage on a computer that is running Windows Server 2008 R2
http://support.microsoft.com/?id=2728379

Update(s):
Esent.dll  6.1.7601.22100

How is this hotfix relevant to “Windows Search”?  Extensible Storage Engine (ESE), formally known as JET Blue is the same Indexed Sequential Access Method (ISAM) data storage technology for the following components:

• Windows Update 
• Active Directory 
• Windows Desktop Search 
• Certification authority (CA) 
• Windows Internet Name Service (WINS) 
• Dynamic Host Configuration Protocol (DHCP) 
• Windows Live Mail 

2686369 You cannot search for content in a folder that is encrypted by EFS in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2686369


Update(s):
Rebuildsearchindex.exe  6.1.7601.21943
Gsrvctr.h 
Gsrvctr.ini
Gthrctr.h
Gthrctr.ini
Idxcntrs.h 
Idxcntrs.ini
Msscntrs.dll 7.0.7601.21943 
Msshooks.dll 7.0.7601.21943 
Mssitlb.dll 7.0.7601.21943  
Mssph.dll  7.0.7601.21943  
Mssphtb.dll  7.0.7601.21943   
Mssprxy.dll  7.0.7601.21943  
Mssrch.dll  7.0.7601.21943  
Mssvp.dll  7.0.7601.21943  
Searchfilterhost.exe  7.0.7601.21943  
Searchindexer.exe  7.0.7601.21943  
Searchprotocolhost.exe  7.0.7601.21943
Tquery.dll  7.0.7601.21943
Wsearchmigplugin.dll  7.0.7601.21943 


Windows 7 and Windows Server 2008 R2
==========================
2686369 You cannot search for content in a folder that is encrypted by EFS in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2686369

2268596 The "Search programs and files" box on the Start menu does not search files on network locations that are not indexed in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/?id=2268596

977380 The "Search programs and files" box does not display search results correctly in Windows 7 and in Windows 2008 R2
http://support.microsoft.com/?id=977380

Keywords:  Windows Desktop Search