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Configuring Windows Using Group Policy

Configuring Windows Using Group Policy. Agenda. Background Windows functionality configurable using Group Policy How do clients apply Group Policy Group Policy in action Common Group Policy Questions. Group Policy Sessions at TechEd. ADM222 Using Group Policy to Configure Windows

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Configuring Windows Using Group Policy

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  1. Configuring Windows Using Group Policy

  2. Agenda • Background • Windows functionality configurable using Group Policy • How do clients apply Group Policy • Group Policy in action • Common Group Policy Questions

  3. Group Policy Sessions at TechEd • ADM222 Using Group Policy to Configure Windows • This one!!!! • ADM320 Managing Group Policy • Thursday 10:00 room 10 • ADM 421 Scripting Group Policy • Thursday 18:15 room 9

  4. “New Policy” Many End User Results Many Computer Results Active Directory Group Policy OverviewDo More with Less Effort • Group Policy enables admins to set and maintain a desired computing state • New Group Policy Management Console (GPMC) makes administration much easier One Administrator Action

  5. Policy-based managementWhat can you do with Group Policy? • Centralized storage and mgmt of user data • Users have access to data and settings from any computer • Consistency of user experience across computers • Data safety and availability • Rapid PC replacement • Configuration of the Operating System: • Networking settings, control panel access, remote assistance, disk quotas, IE • Securing the Operating System • Ongoing & dynamic configuration management

  6. Group Policy Controls What? Enables configuration on Win2000 and later of:

  7. Group Policy:Not just for desktops • Server Management • Manage OS components • Especially security management • Terminal servers, web servers, etc.

  8. What we do at TechEd Europe • 1,000 PCs • CommsNet (400 PCs) • Session Feedback Pods (60 PCs) • Session Room PCs • Hands-on Labs • Speaker Lounge • BackOffice • How many images? 2 Thanks to Group Policy

  9. CommsNet msevsad11 msevsad12 Session Feedback Pods Back-office Session Rooms Speakers Lounge TechEd Infrastructure London Event msevdad1 msevdad2

  10. TechEd AD Structure London Servers You ( & BJ! ) Me  Event Servers Computers Travel Desk Kiosks CommsNet Session Rooms FeedBack pods

  11. Windows Functionality Configurable through Group Policy

  12. Administrative Templates • Managing the OS and Apps by manipulating the registry • Windows ships with .ADM files for managing OS components • All settings in these files are true policy settings • No tattooing • Original user preference restored upon removal • Secure for non-admins • Custom .ADMs possible, but generally not true policy settings • Note difference between .POL and .ADM file • .ADM File • Available Settings and UI description • Used by GPEdit only to expose settings for editing • Exists in both sysvol and locally in %windir%\inf • Registry.Pol File • Actual Settings delivered • This is what is delivered to the client to modify registry during GP processing • Exists in sysvol

  13. Settings transferred during policy processing ...POLICY !!NoRun … ...POLICY !!NoRun … 001011000111 .ADM .ADM .POL Default behavior: When using GPEdit, upload from client version if its timestamp is newer .ADM and .POL files Client computer Domain Controller Svsvol\policies\{GUID} %windir%\inf

  14. ADM Files: Managing mixed environments • ADM files provided in Windows are cumulative • E.g., settings in Windows Server 2003 .ADM files are a superset of settings in XP and 2000 ADMs • OS applicability of setting indicated by “Supported on” field in UI • Note: “Supported on” field is not yet supported on Win2000 • Up-level settings ignored on down-level clients • E.g. Win2000 ignores settings XP+ only settings • General recommendation: Use ADM files from latest OS • If possible, perform administration on XP or later • Consider use of policy settings to control ADM behavior (see next slide)

  15. ADM file management • Group Policy Object Editor • ADM files used to display UI in “Administrative Templates” node • ADM files loaded from Sysvol by default • If local copy is newer, it’s uploaded to sysvol • Note: issues with Win2k SP3 & SP4 (fix planned for SP5) • This behavior is configurable via 2 policy settings • Never upload to sysvol (“Turn off Automatic Update of ADM Files”) • Use local ADMs only - new for Windows Server 2003 • GPMC • ADM files used to generate HTML reports • ADM files loaded from local computer by default • If not found, loaded from sysvol • User can specify custom location from which to load ADMs • NEVER copied to sysvol

  16. Security Policy Settings

  17. Security Tips • Account Policies must be configured at domain level • Security settings always re-apply every 16 hours • Don’t apply full security templates through Group Policy – • Those are intended for one time only • File and Registry ACLs time consuming to apply and also tattoo • Restricted groups don’t merge: See 810076

  18. Internet Explorer Maintenance • Set policy settings to control: • Browser User Interface (Title, logo) • Connection (Proxy, autodetect, etc) • URLs: home page, favorites • IE Security: Zones, Privacy, Content Ratings, Authenticode • Programs • Enhanced Security Configuration (ESC) on Win2003 • New secure configuration for IE impacts Zones and Privacy • ESC-enabled and -disabled computers must be managed independently • GPOs with ESC-enabled settings only apply to ESC enabled machines, and vice versa. • ESC state of admin machine determines whether a GPO is ESC-enabled or not

  19. CommsNet example Set Home Page & Trusted Zones

  20. Folder Redirection • Supports Server-Based Storage of Common Folders • My Documents • Application Data • Desktop • Start Menu • Benefits • Availability of user data on any computer • Reduced network usage when users move between machines • Increased ease of backup of redirected folders • Used in conjunction with Offline Files to provide access when disconnected from network • On XP and above, all redirected folders are automatically admin pinned for offline use • For each folder, you can choose • No policy - does not redirect • Basic - redirects all users to the same place • Advanced- redirects users to different locations based on security group membership

  21. Folder Redirection Tips • General recommendations: • Consider redirection of My documents • If using Roaming Profiles, this is a must • Optionally consider redirecting Desktop • If users store documents on desktop • Start Menu and AppData generally not recommended for redirection • Let the system create folders for each user to avoid improper ACLs • To remove Folder Redirection, use the “Redirect to the local user profile” setting • When using EFS, encrypt the local cache, not the folder on the server

  22. msevsad11 msevsad12 Profile CommsNet London msevdad1 msevdad2 Event

  23. CommsNet example Redirect Desktop & My Documents

  24. Software Installation • 3 deployment options • Assign to computer • App is installed at boot. • Assign to user • App installed either on demand or (with XP and above) at user logon • Publish to user • User chooses to install from add remove programs. • Requires MSI apps • Except ZAP apps, which is limited (no elevated install) • Tips • Make sure machine accounts have access to Software Distribution points for machine assigned apps • On Win2k, turn off “Include OLE and Class product information” in Advanced Deployment Options • No supported way to control install order within a GPO

  25. CommsNet Example Install the Citrix Client

  26. Scripts • Computer-based scripts • startup and shutdown • Run in local system context • User based scripts • logon and logoff • Run in user context • Configurable options: • Processing order if multiple scripts • Script timeout (default is 10 minutes) • Computer Configuration\Administrative Templates\System\Logon\Maximum wait time for Group Policy scripts • Tips • Scripts *only* execute at if connected to network during boot and logon (requires foreground refresh)

  27. CommsNet Example Deploy new Wallpaper Set Local Group Membership Etc etc.

  28. Remote OS Installation • Most RIS infrastructure on the RIS Server • Group Policy allows configuration of client install wizard options

  29. How do clients apply Group Policy

  30. Group Policy Applies Computer Settings Startup Scripts Run Group Policy Applies User Settings Logon Scripts Run When Does Group Policy Get Applied? Computer Starts User Logs On …and at periodic intervals

  31. Foreground vs Background refresh • Foreground refresh • At boot and logon • Processing is synchronous: • Logon prompt not displayed till computer processing complete • Desktop not displayed till user processing complete • Requires connectivity to domain • All extensions processed • Background refresh • Approximately every 90 minutes (except for DCs, 5 mins) • Interval and random offset configurable through policy setting • Processing is asynchronous • Software installation and folder redirection settings not processed

  32. Processing Optimizations • During refresh, GP is re-applied only if there are changes in the GPOs, or the list of GPOs • Can override this to ALWAYS process via policy setting, for each extension • Windows XP Fast Logon Optimization • OS does not wait for network start before displaying logon screen • Configurable via policy setting • Computer policy is processed as background refresh at logon. • Changes to Folder Redirection and Software Installation may require multiple reboots to apply

  33. CommsNet example… Disable fast logon to ensure Kiosk mode

  34. Group Policy Over Slow Links • Slow link = connection < 500 kbps, by default • Configurable via policy setting • When slow link is detected: • Security Settings and Administrative Templates are always applied • By Default, Software Installation, Scripts, and Folder Redirection are not applied • Configurable via policy setting for each extension • RAS does not necessarily imply slow link

  35. Common Group Policy Questions

  36. Question 1 • Q: Where can I get a list of the available ADM settings? • A: http://go.microsoft.com/fwlink/?LinkId=15165 • Allows filtering by: • Supported OS • Component Area • Includes: • Registry Setting • Explain text

  37. Question 2 • Q: Are there pre-configured example GPOs available to get me started? • A: Yes: • http://go.microsoft.com/fwlink/?LinkId=14951 • Provides GPO “templates” for several common scenarios • Will be updated in next few weeks to be based on GPMC backups

  38. Question 3 • Q: Where can I learn more about managing ADM files? • A: KB 816662 discusses and provides recommendations for: • Mixed platforms • Mixed languages • Sysvol size issues

  39. Question 4 • Q: What are the new Group Policy features since Windows 2000 • A: • Introduced in WinXP: • Group Policy Results (RSoP logging) • WMI filter client support • Software Restriction Policy – client support • Fast logon optimization • New policy settings • New GPResult.exe based on RSOP • Introduced in Windows Server 2003: • GPMC: • New admin tool for managing Group Policy • Web download for both XP and 2003 • Group Policy Modeling (RSoP – planning) • WMI Filters admin support • Software Restriction Policies – Admin Support • New Policy Settings

  40. Question 5 Part 1 • Q: What are requirements to use Group Policy Results • A: Clients must be running on XP or later Part 2 • Q: Is there any dependency on whether I have a 2000 or 2003 based AD ? • A: Group Policy Results is a function of the client. However the ability to delegate remote access to read Group Policy results data requires AD schema for Windows Server 2003 • ADPrep /ForestPrep

  41. Question 6 • Q: What are the requirements for using Group Policy Modeling • A: Group Policy Modeling is performed by a service that is only available on DCs running Windows 2003. There is no dependency on the client OS.

  42. Question 7 • Q: What are the requirements to use WMI filters? • A: • Client Dependencies: • Clients must be running XP or later • Win2000 clients ignore the filter and always apply the WMI filtered GPO • Server Dependencies: • Forest: must have Windows 2003 AD schema (ADPrep /ForestPrep) • Domain: Must run ADPrep /DomainPrep to use for clients in that domain • DCs don’t actually need to be running Win2003

  43. Question 8 • Q: Are there any dependencies in Group Policy on native mode vs mixed mode? • A: No. However, various features do have dependencies on the following: • Schema level of the forest (ADPrep /ForestPrep) • Domain configuration (has ADPrep /DomainPrep been run?) • Presence of at least one DC

  44. Question 9 • Qa: Can I use GPMC to manage a my environment if all my DCs are running Windows 2000? • Qb: Can I use GPMC if my clients are running Windows 2000? • A: Yes. However, GPMC itself must run on a computer running Windows XP SP1 or Windows Server 2003.

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