main difference between windows server 2008 and windows server 2008 r2

... are five main variants of Windows Server 2008: Windows Web Server 2008, Windows Server 2008 Standard, Windows Server 2008 Enterprise, Windows Server 2008 Datacenter, and Windows Server 2008 for ... support for Windows Vista and Windows Server 2008. For a detailed comparison chart of the different editions of Windows Server 2008, see www.microsoft.com/windowsserver2008/en/us/compare-specs.aspx. ... 2.3.4 Differences Between Client and Server Versions Windows ships in both client and server retail packages. There are six client versions of Windows Vista: Windows Vista Home Basic, Windows...

Ngày tải lên: 18/10/2013, 00:15

... uniprocessor and the APIC on a multiprocessor by using the !pic and !apic kernel debugger commands, respectively. Here’s the output of the !pic command on a uniprocessor. (Note that the !pic command ... KeServiceDescriptorTableShadow, includes the Windows USER and GDI services implemented in the kernel-mode part of the Windows subsystem, Win32k.sys. The first time a Windows thread calls a Windows USER or GDI service, ... manager’s namespace and information about objects (such as the reference count, the number of open handles, security descriptors, and so forth). ■ Process Explorer and Handle from Sysinternals...

Ngày tải lên: 20/10/2013, 20:15

... Handles Run Process Explorer, and make sure the lower pane is enabled and configured to show open handles. (Click on View, Lower Pane View, and then Handles). Then open a command prompt and ... ZwCreateEvent) and use handles instead of object pointers. Object handles provide additional benefits. First, except for what they refer to, there is no difference between a file handle, an event handle, ... Here’s how: 1. Launch Windows Media Player and Process Explorer, and then view the handle table (by clicking View, Lower Pane View, and then Handles). You should see a handle containing CheckForOtherInstanceMutex....

Ngày tải lên: 20/10/2013, 20:15

... APIs and replaces the path name of the \Windows\ System32 folder with \Windows\ Syswow64. Wow64 also redirects \Windows\ LastGood to \Windows\ LastGood \syswow64 and \Windows\ Regedit.exe to \Windows\ syswow64\Regedit.exe. ... Pane View, and then Handles.) We also want to look at unnamed handles, so click on View, Show Unnamed Handles And Mappings. Now click on the Windbg.exe process, and look at its handle table. ... other guests managed by a Windows Server host, both client and server editions of Windows also ship with enlightenments, which are special optimizations in the kernel and possibly device drivers...

Ngày tải lên: 24/10/2013, 18:15

... drivers to load and how various subsystems—such as the memory manager and process manager—configure themselves and tune system behavior. ■ During logon, Explorer and other Windows components ... before Windows Vista and adds greater flexibility and isolation of per-installation boot configuration data. (For more information on the BCD, see Chapter 13.) Each entry in the BCD, such as a Windows ... A log file storing a registry trace of startup, logon, logoff, and shutdown on a Windows system will typically be between 50 and 150 MB in size. 4.1.7 Registry Internals In this section,...

Ngày tải lên: 24/10/2013, 18:15

... run in session 0 and therefore share the window station with the interactive services. However, in Windows Vista and Windows Server 2008, only processes owned by the system and Windows services ... To fully understand this chapter, you need to be familiar with the terms and concepts explained in Chapters 1 and 2, such as the difference between a process and a thread, the Windows virtual ... services ran in the process and takes the recovery steps specified by their failure-related registry values. Additionally, as of Windows Vista and Windows Server 2008, services are no longer...

Ngày tải lên: 29/10/2013, 01:15

... that perform actions in a system, Windows uses security identifiers (SIDs). Users have SIDs, and so do local and domain groups, local computers, domains, and domain members. A SID is a variable-length ... handle interrupts that were already registered for other processors. Unfortunately, until now, CPU-hungry applications have still been left out of this process, but Windows Server 2008 and Windows ... Lsass process and client processes and that implement Windows authentication policy. An authentication DLL is responsible for checking whether a given user name and password match, and if so,...

Ngày tải lên: 08/11/2013, 00:15

... when it performs an access check involving this ACE. The difference between allowed-object and access allowed, and between denied-object and access denied, is that the object types are used only ... list of privileges and account rights available on Windows. Note that the tool makes no distinction between privileges and account rights. However, you can differentiate between them because ... made up of a header and zero or more access control entry (ACE) structures. There are two types of ACLs: DACLs and SACLs. In a DACL, each ACE contains a SID and an access mask (and a set of flags,...

Ngày tải lên: 08/11/2013, 00:15

... \Device\Serial0, and so forth. Try creating your own links with the subst command at a command prompt . 7.3 I/O Processing Now that we’ve covered the structure and types of drivers and the data ... loading and unloading of device drivers so that drivers can be loaded on-demand and not consume system resources when unneeded. ■ Support for Plug and Play, where the system locates and installs ... with the Windows QueryDosDevice and DefineDosDevice functions. EXPERIMENT: Viewing Windows Device Name to Windows Device Name Mappings You can examine the symbolic links that define the Windows...

Ngày tải lên: 08/11/2013, 00:15

... (FiDOs) that layer between the PDO and the FDO (described next), and that are created by bus filter drivers. ■ One or more optional FiDOs that layer between the PDO and the FDO (and that layer ... ■ Sends the IRP to the I/O handler, which processes standard device operations ■ Sends the IRP to the PnP and power handler that processes these kinds of events and notifies other drivers if ... responsible for managing the communication between the kernel and the user-mode driver host process. IRPs related to power management, Plug and Play, and standard I/O are redirected to the host...

Ngày tải lên: 15/12/2013, 11:15

... in Windows, which consists of user-mode and device driver components and oversees dynamic disks. A major difference between LDM’s partitioning and MBR-style and GPT partitioning is that LDM maintains ... and boot volumes is somewhat confusing. The system volume is where Windows places boot files, including the boot loader (Winload) and Boot Manager (Bootmgr), and the boot volume is where Windows ... adapters, cables, and switches between them and a computer. Servers requiring high levels of availability use multipathing solutions, where more than one set of connection hardware exists between the...

Ngày tải lên: 15/12/2013, 11:15

... for allocations between 1 and 8 bytes, the second for allocations between 9 and 16 bytes, and so on, until the thirty-second bucket, which is used for allocations between 249 and 256 bytes, ... platforms. Three main types of data are mapped into the virtual address space in Windows: per-process private code and data, sessionwide code and data, and systemwide code and data. As explained ... address space. For example, on a 32-bit Windows Server 2008 system with 8 GB of physical memory, a database server application could use AWE to allocate and use perhaps 6 GB of memory as a database...

Ngày tải lên: 15/12/2013, 11:15

... million handle count, the process will fail, because the system will have run out of address space available for paged pool allocations. Finally, as of Windows Vista and Windows Server 2008, the ... Randomization The next step in ASLR is to randomize the location of the initial thread’s stack (and, subsequently, of each new thread). This randomization is enabled unless the flag StackRandomization ... process and the stack(s) of its thread(s). Apart from these regions (and some reserved system structures such as the TEBs and PEB), all other memory allocations are run-time dependent and generated....

Ngày tải lên: 15/12/2013, 11:15

... the Windows file mapping functions. Note Cache coherency in this case refers to coherency between user-mapped data and cached I/O and not between noncached and cached hardware access and I/Os, ... client edition of Windows (Windows Server editions disable prefetching by default), you can see the prefetcher check for and read the application’s prefetch file (if it exists), and roughly 10 ... already using a device for caching and the new device is between 256 MB and 32 GB in size, has a transfer rate of 2.5 MB per second or higher for random 4-KB reads, and has a transfer rate of 1.75...

Ngày tải lên: 15/12/2013, 11:15

Ngày tải lên: 15/12/2013, 11:15

Ngày tải lên: 15/12/2013, 11:15

Ngày tải lên: 15/12/2013, 11:15

Ngày tải lên: 15/12/2013, 11:15

Ngày tải lên: 15/12/2013, 11:15