Windows Server 2008 R2 articles, fixes and updates - April 2011

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Windows Server 2008 R2 that have been released in April 2011. The list is daily updated.

• 2542297 Event ID 215 Print Services Error Occurs after Uninstalling KB976932 from a Computer Running Windows Server 2008 R2 Q2542297 KB2542297 April 30, 2011
• 175523 INFO: Winsock TCP Connection Performance to Unused Ports Q175523 KB175523 April 29, 2011
• 2544872 The DPI adjustment is not available in a Remote Session (RDP) Q2544872 KB2544872 April 27, 2011
• 2543399 Windows\WMI\Mofcomp fails with error 0X8004400c Q2543399 KB2543399 April 27, 2011
• 2539626 A disk partition which was created immediately prior to power failure or system crash cannot be formatted or used Q2539626 KB2539626 April 27, 2011
• 978626 A supplementary character is displayed incorrectly as two square boxes on a computer that is running Windows 7 or Windows Server 2008 R2 Q978626 KB978626 April 26, 2011
• 2521260 You may not be able to retrieve number of "file opens" that are currently active against the file through property InUseCount of class CIM_DataFile class Q2521260 KB2521260 April 22, 2011
• 2508054 "0x0000005C" Stop error code or assertion failure in the startup process if you enable Driver Verifier in Windows Server 2008 R2 Q2508054 KB2508054 April 20, 2011
• 2495051 The DFS Replication role is also installed when you add the DFS Namespaces role on a Windows Server 2008 R2-based computer Q2495051 KB2495051 April 20, 2011
• 2539403 System May Pause while Accessing Large NTFS Folder Q2539403 KB2539403 April 19, 2011
• 2537398 Error message 16389 when creating a new Windows Explorer Library on Windows 7 or Windows Server 2008 R2 Q2537398 KB2537398 April 19, 2011
• 2512723 DFS Namespace service requires a long time to process a NetDfsRemove request if the specified DFS link does not exist in Windows Server 2008 R2 SP1 Q2512723 KB2512723 April 18, 2011
• 2509307 Black shapes are printed instead of gradient-filled images when you print a document from a Windows 7-based or Windows Server 2008 R2-based computer Q2509307 KB2509307 April 18, 2011
• 2500682 NSPI query for address book information is slow and high CPU usage on domain controllers in a Windows Server 2008 R2 domain Q2500682 KB2500682 April 18, 2011
• 2489177 You cannot access a drive that is mapped to a WebDAV share on a web server that uses only certificate authentication after the connection is idle for some time in Windows 7 or in Windows Server 2008 R2 Q2489177 KB2489177 April 18, 2011
• 2004712 Unable to backup Live Virtual Machines in Server 2008 R2 Hyper-V Q2004712 KB2004712 April 18, 2011
• 2524668 The single sign-on feature does not work in Windows 7 or in Windows Server 2008 R2 when you try to start a full remote desktop connection through RD Web Access Q2524668 KB2524668 April 15, 2011
• 2460971 MPIO failover fails on a computer that is running Windows Server 2008 R2 Q2460971 KB2460971 April 15, 2011
• 2411000 You cannot read or copy a file that contains an asterisk character in the stream name in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2 Q2411000 KB2411000 April 15, 2011
• 2205122 A memory leak occurs when you press F5 to convert a character code to some specific kanji characters in the Japanese IME module in Windows Q2205122 KB2205122 April 15, 2011
• 2532917 Hyper-V Virtual Machines Exhibit Slow Startup and Shutdown Q2532917 KB2532917 April 14, 2011
• 2521416 You cannot join a home group on a computer that is running Windows 7 or Windows Server 2008 R2 and that has the TPM setting enabled Q2521416 KB2521416 April 14, 2011
• 2520212 Events are missing if the "Global Object Access Auditing" Group Policy setting for the built-in Administrators group is applied in Windows Server 2008 R2 or in Windows 7 Q2520212 KB2520212 April 14, 2011
• 2517329 Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors Q2517329 KB2517329 April 14, 2011
• 2508120 An update that adds the ActiveX Installer Service to Windows Server 2008 R2 Q2508120 KB2508120 April 14, 2011
• 2507119 Outlook crashes when you try to open a compressed email message that is created by a third-party Outlook add-in in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2 Q2507119 KB2507119 April 14, 2011
• 2450944 Some folders or files are unexpectedly deleted on the upstream server after you restart the DFS Replication service in Windows Server 2003 R2, in Windows Server 2008 or in Windows Server 2008 R2 Q2450944 KB2450944 April 14, 2011
• 2344949 The printing operation stops responding when you print a document for a 64-bit Office application to a PostScript printer in Windows Vista, in Windows Server 2008, in Windows 7 or in Windows Server 2008 R2 Q2344949 KB2344949 April 14, 2011
• 2983554 "0x000000BE" Stop error message when you use the Storport.sys driver to manage some storage devices in Windows Server 2008, in Windows Vista, in Windows 7 or in Windows Server 2008 R2 Q2983554 KB2983554 April 13, 2011
• 2522461 Filtering does not work in the DNS Manager snap-in when you reverse lookup DNS zones to filter records in Windows Server 2008 R2 Q2522461 KB2522461 April 13, 2011
• 2521624 "0x000000D5" Stop error message when you run an automated test job in Windows 7 or in Windows Server 2008 R2 Q2521624 KB2521624 April 13, 2011
• 2521175 An application or a service that calls the closesocket function stops responding on a Windows Server 2008 R2-based or Windows 7-based computer Q2521175 KB2521175 April 13, 2011
• 2519646 Some network connections do not work after you connect a PPP-based network interface in Windows Server 2008 R2 or in Windows 7 Q2519646 KB2519646 April 13, 2011
• 2519550 An incorrect program icon appears on the task bar in a remote desktop session that is running in Windows 7 or in Windows Server 2008 R2 Q2519550 KB2519550 April 13, 2011
• 2517669 "Timeout occurred" error message when you try to download a file from a Windows Server 2008 R2-based Windows Deployment Services server by using the TFTP protocol Q2517669 KB2517669 April 13, 2011
• 2514376 Power options do not work correctly in Windows 7 or in Windows Server 2008 R2 when you use Group Policy to configure the power plan in a domain Q2514376 KB2514376 April 13, 2011
• 2512451 Win32_PerfRawData_TermService_TerminalServices has been renamed to Win32_PerfRawData_LocalSessionManager_TerminalServices in Windows Server 2008, Windows Server 2008 R2, Windows Vista and Windows 7 environment Q2512451 KB2512451 April 13, 2011
• 2510636 An update that improves the startup performance of Windows 7 and of Windows Server 2008 R2 is available Q2510636 KB2510636 April 13, 2011
• 2503978 Invalid characters may appear in local software for China after you add a simplified Chinese language pack to an English version of Windows 7 or of Windows Server 2008 R2 Q2503978 KB2503978 April 13, 2011
• 2503539 An application that uses the RichTextBox control cannot display an .rtf file correctly in Windows 7 or in Windows Server 2008 R2 Q2503539 KB2503539 April 13, 2011
• 2502789 A Chkdsk command fails with an unspecified error on a Windows 7-based or Windows Server 2008 R2-based computer that uses a low frequency AMD CPU Q2502789 KB2502789 April 13, 2011
• 2498549 A search window opens unexpectedly after you deploy a Group Policy to disable Windows Explorer search elements in Windows 7 or in Windows Server 2008 R2 Q2498549 KB2498549 April 13, 2011
• 2459268 "0x0000009F" Stop error in Windows 7 or in Windows Server 2008 R2 when the computer enters or resumes from the Soft Off (S5) power state Q2459268 KB2459268 April 13, 2011
• 2479710 Remote Desktop service crashes when Group Policy settings are refreshed in Windows Server 2008 R2 after you enable the "Required secure RPC communication" and "Set client connection encryption level" Group Policy settings Q2479710 KB2479710 April 12, 2011
• 2465990 "0x80041002 (WBEM_E_NOT_FOUND)" error occurs when you try to open a WMI namespace on a computer that is running Windows 7 or Windows Server 2008 R2 Q2465990 KB2465990 April 12, 2011
• 2534488 A Windows-based portable computer does not resume correctly if you close the lid while the computer is asleep Q2534488 KB2534488 April 10, 2011
• 2534463 Stop error when you put a computer that is running Windows 7 or Windows Server 2008 R2 to sleep or into hibernation, or when you restart the computer: "0x9F" Q2534463 KB2534463 April 10, 2011
• 2534451 Windows Explorer crashes and then restarts when you access a third-party Control Panel item on a computer that is running Windows 7 or Windows Server 2008 R2 Q2534451 KB2534451 April 10, 2011
• 2535804 Bugcheck 0xF4 occurs on a Hyper-V guest VM running in Windows Server 2008 R2 while under stress when MPIO PathVerify is enabled Q2535804 KB2535804 April 8, 2011
• 2535314 Print server scalability and performance Q2535314 KB2535314 April 8, 2011
• 2504439 How to change the ADFS 2.0 service communications certificate after it expires Q2504439 KB2504439 April 8, 2011
• 2519425 I cannot open Help files that require the Windows Help (WinHlp32.exe) program Q2519425 KB2519425 April 7, 2011
• 2528405 How to Print to File without user intervention Q2528405 KB2528405 April 4, 2011
• 2521085 Xbootmgr fails when resultpath is set to removable disk Q2521085 KB2521085 April 4, 2011
• 2517921 You do not see the cluster disk in explorer or diskmgmt on Failover in a Windows 2008 or Windows 2008 R2 Cluster Q2517921 KB2517921 April 4, 2011
• 2503094 Removing user from a trusted domain in Authorization Manager (AzMan) fails with error "Cannot complete this function" Q2503094 KB2503094 April 4, 2011
• 2525608 The "RemoteApp and Desktop Connection Management" service cannot start on a computer that is in a disjointed namespace and that is running Windows Server 2008 R2 Q2525608 KB2525608 April 1, 2011