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Tuesday, February 24, 2015

Pendrive Bootable windows 7

Here we will see Making a pen drive bootable for  Windows7 & Windows8 operating system. To install fresh Windows OS with a CD/DVD drive takes too much time to install. People face problems that CD/DVD drive doesn’t work properly. No special software is required for this method. Using command prompt and with few lines of command you can make a bootable pendrive.

Just follow this tutorial.

Start your command prompt.

Command prompt will be opened

Type diskpart and hit ENTER

Before this step make sure pendrive is empty.As precaution Save all your datas to any other location  
Type List disk and press ENTER

Thursday, February 19, 2015

What is BSOD? What do you do when you get blue screen in a computer? How do you troubleshoot it?

  • BSOD stands for blue screen of Death.

When there is a hardware or OS fault due to which the windows OS can run, it give a blue screen with a code. to resolve it, boot the computer in "Last known good configuration".If this doesn't work then boot the computer in safe mode. If it boots up then the problem will be  with one of the devices or drivers in the computer.

Important Port Numbers

15                Netstat
21                FTP
23               Telnet
25                SMTP
110              POP3
42                WINS
53                DNS
67                Bootp
68                DHCP
3268            AD Global Catalog
3269            AD Global Catalog over SSL
88                Kerberos
101              HOSTNAME
139              NetBIOS
161              SNMP
180              RIS
389              LDAP (Lightweight Directory Access Protocol)
80                HTTP
443              HTTPS (HTTP over SSL/TLS)
443              SSL (https) (http protocol over TLS/SSL)
220              IMAP3
119              NNTP

123              NTP     (Network time protocol)    

Windows 7 Key Boot Files

Windows 7 Key Boot Files

BOOTMGR – Found in the MBR this file boots up the Windows operating system

BCD (Boot Configuration Data) - is text file that lists the available OS found and tells the BOOTMGR where to find boot partition

WINLOAD.EXE- Loads the Windows Interface

NTOSKRNL.EXE- Windows 7 Core Files

WIN.COM - Windows 7 command file

HAL.DLL - Hardware Abstraction layer of Windows 7

Monday, February 16, 2015

Installation Of WDS using command line

Use the below command line for installation of WDS server
GO to  powershell and run the command ServerManagerCmd -install WDS.

Installing Windows Deployment Services

Here we will see how to install Windows Deployment Services. Windows Deployment Services is a technology from Microsoft for installation of Windows operating systems by network, Windows Deployment Services role in server 2008 R2 allow you to deploy Windows operating systems  Windows 7, Windows Vista and Windows Server 2008 R2.

On the server where you are installing Windows Deployment Services role, launch the Server Manager, right click on Roles, click on Add Roles. On the Server Roles page, select Windows Deployment Services. Click on Next.

On the Role Services page, the Deployment Server and Transport Server are selected on the second screen of the installation wizard. Click on Next

click close button when the installation is complete 

Restrict using pendrive and other storage devices using Group policy

Disable Removable Storage Using GPO

Windows Server 2008 introduces a Group Policy setting that can prohibit the read or write activities of floppy, CD and DVD drives, tape, and devices such as mobile phones, music players, and cameras

Within the Group Policy Editor, navigate to \Computer Configuration\Policies\Administrative Templates\System\Removable Storage Access.

 All Removable Storage Classes: Deny All Access. If we enable this policy , then we prevent  users from mounting ANY class of removable media.