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Active Directory. Software Installation. Windows Installer. Service for managing installed applications Installed on Windows 2000 PCs and started as required Can be installed on Windows NT, 95 and 98 PCs Some programs will install it for you E.g. Office 2000/XP, Technet.

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active directory

Active Directory

Software Installation

windows installer
Windows Installer
  • Service for managing installed applications
  • Installed on Windows 2000 PCs and started as required
  • Can be installed on Windows NT, 95 and 98 PCs
    • Some programs will install it for you
      • E.g. Office 2000/XP, Technet
features of windows installer
Features of Windows Installer
  • Runs under local System account
  • Supports unattended installation
  • Prevents conflicts with shared DLLs
  • Repairs corrupted applications (e.g. missing files)
  • Removes applications
  • Supports on-demand installation of features
requirements for deploying an application
Requirements for Deploying an Application
  • Following three methods can be used
    • Obtain or create native Windows Installer package
    • Repackage an application
    • Create .zap file
native windows installer package
Native Windows Installer Package
  • Database file (*.msi) containing installation and removal instructions
  • Generally provided by software developer
  • Typical components
    • Summary
    • Files
    • Installation instruction database
    • Optional modifications
creating a windows installer package
Creating a Windows Installer Package
  • Authoring Tools to create native Windows Installer Packages
    • WISE Solutions Inc.
    • InstallShield
  • Repackaging Tools
    • Use before/after snapshot techniques to create installer package
    • Seagate Software WinInstall LE
package modifications
Package Modifications
  • Modifications allow customization of package to suit local requirements but using single set of installation files
  • E.g. Office
zap files
ZAP Files
  • Use application’s own setup program to deploy
  • Various limitations
    • Can only be published to users, not assigned (more later)
    • Cannot be installed with elevated privileges
    • Cannot be installed without user intervention
    • Cannot repair themselves
    • Cannot be rolled back
steps to deploying software
Steps to Deploying Software
  • Create a software distribution point
  • Choose a method of deployment
  • Implementing deployment through Group Policy
create the software distribution point
Create the Software Distribution Point
  • Create shared folder on server
  • Set permissions so that users have read access
  • Copy Windows Installer packages or application files and .zap file into folder
choose a deployment method
Choose a Deployment Method
  • Assign Applications to Computers
    • Automatically installed when computer starts
    • Appear on Start Menu for all users
    • Cannot be removed using Add/Remove Programs (except Administrators)
  • Use if application is required by anyone using that computer
choose a deployment method12
Choose a Deployment Method
  • Assign Applications to Users
    • Appear on user’s Start Menu or Desktop after logon
    • Installed when started for the first time
    • Will reappear automatically at next logon if removed using Add/Remove Programs
    • Installed through document association
  • Use if application is required by the user
choose a deployment method13
Choose a Deployment Method
  • Publish Applications to Users
    • Installed and removed by user via Add/Remove Programs
    • Installed through document association
  • Use if programs are not always required by users, but may be useful to them
implementing deployment through group policy
Implementing Deployment Through Group Policy
  • Create a new GPO or modify an existing one
  • Computer Configuration/Software Settings/Software Installation
    • To assign to computer
  • User Configuration/Software Settings/Software Installation
    • To publish or assign to user
group policy deployment options
Group Policy Deployment Options
  • If using modifications, must choose “Advanced” option when creating the software installation package
    • Cannot change later
  • Other options available through “Advanced” option, or through package properties
    • E.g. packages upgraded; whether upgrade is required or optional
    • Whether application appears in Add/Remove Programs
removing software
Removing Software
  • Remove the package in GPO
    • All Tasks/Remove
  • Two options
    • Immediately uninstall from all users and computers
    • Allow users to carry on using but do not allow new installations
design considerations
Design Considerations
  • Software required by different groups of users may impact on OU design
  • Need to decide whether to assign or publish; whether assigned to computers or users
  • How to Publish non-MSI Programs with .zap Files