It appears that Microsoft are now moving towards a new way of deploying service packs. KB 2775511 is a hotfix rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1. This hotfix rollup contains 90 hotfixes that were released since service pack 1 and are noted to greatly improve performance and system reliability.
The main areas of improvement are in the Remote File System and Networking components, namely Offline Files, Folder Redirection, SMB and TCP Protocol services.
The hotfix rollup is described here – http://support.microsoft.com/kb/2775511/en-us and can be downloaded from the Microsoft Update Catalog here – http://catalog.update.microsoft.com/v7/site/Search.aspx?q=2775511
The documentation also lists two Registry fixes that must be manually applied after the hotfix is installed.
- To enable update 2581608, configure a REG_DWORD Value named RunLogonScriptsNormally under the following path, and set the value to a decimal value of 1:
- To enable update 2752259, configure a REG_DWORD Value named BrmDisableOpc under the following path, and set the value to a decimal value of 0: