New features

A analyst adviser appear by the aggregation describes several areas of advance in adaptation R2.11 These cover new virtualization capabilities (Live Migration, Cluster Shared Volumes application Failover Clustering and Hyper-V), bargain ability consumption, a new set of administration accoutrement and new Alive Directory capabilities such as a "recycle bin" for deleted AD objects. IIS 7.5 has been added to this absolution which aswell includes adapted FTP server services. Security enhancements cover the accession of DNSSEC abutment for DNS Server Service (note: even admitting DNSSEC as such is supported, alone one signature algorithm is available12 (#5 / RSA/SHA-1). Since abounding zones use a altered algorithm - including the basis breadth - this agency that in absoluteness Windows still can't serve as a recursive resolver) and encrypted clientless accurate VPN casework through DirectAccess for audience application Windows 7. The DHCP server supports a ample amount of enhancements 13 such as MAC address-based ascendancy filtering, converting alive leases into anxiety or Link Layer based filters, IPv4 abode exhaustionclarification bare at ambit levelclarification needed, DHCP Name aegis for non-Windows machines to anticipate name squatting, bigger achievement through advancing charter database caching, DHCP action logging, auto-population of assertive arrangement interface fields, a astrologer for split-scope configuration, DHCP Server role clearing application WSMT, abutment for DHCPv6 Option 15 (User Class) and Option 32 (Information Refresh Time). The DHCP server runs in the ambience of the Arrangement Service annual which has beneath privileges to abate abeyant accident if compromised.

Windows Server 2008 R2 supports up to 64 concrete processors 14 or up to 256 analytic processors per system. (Note:Only the Datacenter and Itanium editions can yield advantage of the adequacy of 64 concrete processors. Enterprise, the next-highest copy afterwards those two, can alone use 8.)15 If deployed in a book server role, new Book Classification Infrastructure casework acquiesce files to be stored on appointed servers in the action based on business allotment conventions, appliance to business processes and all-embracing accumulated policies.16

Server Core includes a subset of the .NET Framework, so that some applications (including ASP.NET web sites and Windows PowerShell 2.0) can be used.

Performance advance was a above breadth of focus for this release; Microsoft has declared that plan was done to abatement cossack time, advance the ability of I/O operations while application beneath processing power, and about advance the acceleration of accumulator devices, abnormally iSCSI.

Active Directory has several new appearance if adopting the backwoods and area anatomic levels17 to Windows Server 2008 R2. If adopting the area action level, two added appearance are Authentication Mechanism Assurance and Automatic SPN Management. If adopting the backwoods anatomic level, the Alive Directory recycle bin affection is accessible and can be enabled application the Alive Directory Module for Powershell.18