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Remote Installation Services
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  1. Remote Installation Services Michel Jouvin LAL / IN2P3 Jouvin@lal.in2p3.fr W2K RIS - HEPix Fall 2002

  2. What is RIS • MS implementation of a PXE server to allow system installation through the net • Advantage over older technologies • No need for a specific floppy : PXE client available in modern BIOS • Integration with AD allows control on who can install what on a specific machine • Based on imaging technologies • Several preconfigured images can coexist on the server W2K RIS - HEPix Fall 2002

  3. RIS Server… • Preferrably a DC but not mandatory • If not a DC, DHCP server must be registered (authorized) • RIS Management done in RIS server properties in ‘ActiveDirectory Users and Computers’ tool • DHCP • Address and bootfile discovered through DHCP • Can be provided by different servers (normally) • Bootfile = Client Installation Wizzard (OS chooser) • Allow to restrict access to known (pre-staged) clients W2K RIS - HEPix Fall 2002

  4. … RIS Server • BINL : Bind Information Negociation Layer • TFTP server • Management of images • Discovery of NIC driver during Setup startup • AD interaction : computer account creation • Possible generation of computer names based on customizable template W2K RIS - HEPix Fall 2002

  5. RIS Client • BIOS based PXE client • No configuration needed – Generally through F12 • Often buggy : BIOS upgrade needed (Dell Latitude) • Generally requires address and bootfile in the same DHCP transaction (one DHCP server for both) • Floppy based PXE client • Generic but limited list of supported (PCI only) NIC • No miniPCI support : don’t work with laptops • Generated with Rbfg.exe in REMINST\Admin\I386 • Accept address and bootfile from different DHCP servers • GUID based on MAC address (NIC) instead of computer W2K RIS - HEPix Fall 2002

  6. Client Installation Wizzard… • File booted through PXE (OS Chooser) • Authenticate the person doing the install • Logged in event viewer • Ask configuration parameters (computer name…) • Select image to install • Launch installation (flat or Riprep images) • Default CIW require F12 • REMINST\OSChooser\I386\Startrom.exe • Use (rename) startrom.n12 to suppress F12 W2K RIS - HEPix Fall 2002

  7. … Client Installation Wizzard • Form based interface • Forms described in OSCML (HTML 2.0) • Forms files in REMINST\OSChooser • Easy to customize • Parameters passed to installer through variables • Preconfigured set of parameters attached to each images • several per image • similar to unattended.txt options W2K RIS - HEPix Fall 2002

  8. Images • Location • Both under \REMINST\Setup\language • One directory per image • Image directory name can be changed • Enumeration redone each time by OS Chooser • 2 types of system image • Flat image : CD like distribution • Riprep image : copy of an installed and configured system (with applications) W2K RIS - HEPix Fall 2002

  9. Flat Image • Can install on every computer • Run standard setup (pretty long) • Added to RIS through RIS management tool • Can be done manually by copying the CD and building the Template subdirectory • Flat image with the same system version/SP must exist for a Riprep image installation to start • Don’t integrate SP if used by Riprep image • Generally restricted to administrators W2K RIS - HEPix Fall 2002

  10. Riprep Images • Differences from flat images • Includes deployment of applications • Deployment much faster than flat image (#20mn) • Target computer must have the same HAL type • Built with Riprep.exe (similar to Sysprep) • Install and configure a system with application • Run Riprep from \\RIS_Server\REMINST\Admin\I386 • Riprep uses sysprep.inf as input • Sysprep.inf (in \Sysprep folder) allows a subset of SIF options • Riprep reset registry on the Riprep computer W2K RIS - HEPix Fall 2002

  11. Image Management • SIF files • Describe installation options for an image • Domain to join, computer name, drivers path… • Reside in I386\Template subdirectory of the image • File organised in section (like an INI file) • Several set of options per image • Name presented to the user is defined in OSChooser section • SIF ACLs • SIF access done with the user authenticated by CIW • ACLs can be placed on SIF files or Template subdir to restrict access to image (template) to some users W2K RIS - HEPix Fall 2002

  12. Driver Addition (Flat Image) • Create under I386 $OEM$\$1 subtree • Create a subdirectory/subtree where to place drivers • Ex: Driver, or Driver\NIC, Driver\Video… • Copy the drivers in the appropriate location • In SIF file [unattended] section, add : OEMPreinstall = yes OemPnpDriversPath = DriverPath • DriverPath is a semi-colon separated list • Drivers must reside in the listed directories, not subdirectories W2K RIS - HEPix Fall 2002

  13. Driver Addition (Riprep Image) • Must be done before running Riprep • Not necessary if flat image used is already configured • On the reference computer, create a directory/tree • Put the drivers in the appropriate location • In Sysprep.inf file [unattended] section, add : OemPnpDriversPath = DriverPath • Before running Riprep, be sure to deinstall all unknown devices (from Device Manager) W2K RIS - HEPix Fall 2002

  14. Driver Addition (Miscellanous) • New driver can be added to an existing images by copying them in the appropriate location • No need to rebuild the image • If the NIC used by RIS client is not supported by standard drivers, the driver (and .INF) must also be added to the flat image I386 directory • Require restart of binlsvc service • Reconstruct PNF file corresponding to the INF file (long) • Easier to add new driver than replace… W2K RIS - HEPix Fall 2002

  15. Server Troubleshooting • Standard RIS logs in event viewer (DHCP and BINL) : not very detailed/helpful • Detailed BINL logs • Define (DWORD) value Debug to 1 in HKLM\System\CurrentControlSet\Services\Binlsvc\Parameters • Logs are in %SYSTEMROOT%\Debug\binsvc.log • Need to be copied (locked) and opened with Wordpad W2K RIS - HEPix Fall 2002

  16. Installation Troubleshooting • GUI Setup part • Log in setupapi.log in %SYSTEMROOT% • Default log level is non verbose • Define (DWORD) value LogLevel to xFFFF in HKLM\Software\Microsoft\Windows\CurrentVersion\Setup • For flat images, must be done by adding the value to hivesft.inf • For Riprep images, must be set on the computer used to build the image W2K RIS - HEPix Fall 2002

  17. Current Problems/Restrictions • New NIC integration • Difficult if older driver version exists (Intel Pro 100) • SP3 required on server but not enough… • CIW assumes QWERTY • DCHP restriction for BIOS based clients • Tested with Intel and 3COM agents • Drivers path limited to 10 elements in SIF files • Only one sytem disk (with one partition) • Target computer must have a disk equal or greater to source computer W2K RIS - HEPix Fall 2002

  18. Documentation on RIS • W2000 Server Deployment White Papers • W2000 Server Deployment Planning guide – Ch. 8 • Remote Operation System Installation • Technical Guide to Remote Installation Services • Step by Step guide to Remote OS Installation • Lot of KB articles • Mainly for toubleshooting installation start problems • Keywords : RIS or PXE • Machine or NIC vendors support sites • Ex : Intel W2K RIS - HEPix Fall 2002