msi-deployment-guide.txt [plain text]
Kerberos for Windows
MSI Deployment Guide
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Contents
1. Introduction
1.1 Requirements
1.2 Authoring a Transform
2. Configuration Options
2.1 Configurable Properties
2.1.1 Setting Properties
2.1.2 Leash GUI Properties
2.1.3 Leash DLL Properties
2.1.4 Kerberos IV Properties
2.1.5 Kerberos V Properties
2.2 Existing Registry Entries
2.3 Replacing Configuration Files
3. Network Identity Manager Settings
3.1 Common Settings for NetIDMgr
3.1.1 General Settings
3.1.2 Common Plug-in Settings
3.1.3 Settings for the Kerberos 5 Credentials Provider Plug-in
3.1.4 Settings for the kerberos 4 Credentials Provider Plug-in
4. Additional Resources
5. Upgrades
6. FAQ
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1. Introduction
Beginning with "Kerberos for Windows" version 2.6.5, a MSI installer
option is available for those who wish to use "Windows Installer"
for installing Kerberos and for organizations that wish to deploy
Kerberos through Group Policy.
This document provides a guide for authoring transforms used to
customize the MSI package for a particular organization. Although
many settings can be deployed via transforms, in an Active
Directory environment it is advisable to deploy registry settings
and configuration files through group policy and/or startup
scripts so that machines where "Kerberos for Windows" is already
installed will pick up these customizations.
1.1 Requirements
The information in this document applies to MSI packages
distributed with "Kerberos for Windows" releases from 2.6.5 and
onwards or MSI packages built from corresponding source
releases. Not all releases support all the configuration options
documented here.
Authoring a "Windows Installer" transform requires additional
software for editing the MSI database tables and generating the
transform from the modified MSI package. ORCA.EXE and MSITRAN.EXE
which are included in the Windows Platform SDK ("Windows Installer"
SDK) can be used for this purpose.
For reference, the schema for the MSI package is based on
SCHEMA.MSI distributed with the Platform SDK.
For general information about "Windows Installer", refer to :
http://msdn.microsoft.com/library/en-us/msi/setup/windows_installer_start_page.asp
For general information about authoring MSI transforms, refer to :
http://msdn.microsoft.com/library/en-us/msi/setup/transforms.asp
The remainder of this document assumes some familiarity with
authoring transforms. While the MSDN documentation for Windows
Installer is a bit dense, it is recommended that you read through
the guide on MSI transforms found at the second link above. Also
MSDN includes a step-by-step example for creating a transform at:
http://msdn.microsoft.com/library/en-us/msi/setup/a_customization_transform_example.asp
1.2 Authoring a Transform
Transforms describe a set of modifications to be performed on an
existing MSI for the purpose of customizing it. This is
ordinarily done by making a copy of the MSI to be customized,
modifying the copy and then using the old and the new MSI to
generate a transform.
E.g:
> copy kfw.msi kfw-modified.msi
(edit the kfw-modified.msi to include the necessary changes)
> msitran -g kfw.msi kfw-modified.msi kfw-transform.mst
(generates kfw-transform.mst, which is the transform)
Transforms have an extension of .mst. 'msitran' is a tool
distributed as part of the "Windows Installer" SDK (which in turn is
a part of the Windows Platform SDK).
You can test a transform by :
> copy kfw.msi kfw-test.msi
> msitran -a kfw-transform.mst kfw-test.msi
and then checking the resulting kfw-test.msi to see if all the
changes you have made above to kfw-modified.msi is present in
kfw-test.msi. 'msitran' will complain if some modification in the
transform can not be successfully applied.
As mentioned above, you can use a tool like ORCA.EXE to edit the
MSI databases directly when editing kfw-modified.msi. More
details are given below.
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2. Configuration Options
The logic necessary to implement all of the settings described in
the release notes are present in the MSI. Most of these can be
controlled by setting the corresponding properties to the desired
value. Some settings may require modifying existing registry
entries (though not recommended) or adding new resources (like
files or registry keys). Instructions for performing these tasks
are below.
2.1 Configurable Properties
Most configurable properties correspond to registry keys or
values. Please refer to the release notes for more information
about how these registry settings are used.
Due to the logic invoked based on the existence of these registry
keys or values, they are only set if the associated property is
defined to have a non null value. If the associated property is
not defined in the MSI, the registry key or value will not be
touched. By default, the MSI does not contain these properties
and hence will not set the registry keys. You will need to add
properties as needed to the MSI.
When one of the configurable properties is set, the installer will
use the property value to set the corresponding setting in the
HKEY_LOCAL_MACHINE registry hive. HKEY_CURRENT_USER hive is not
touched by the installer.
For each property, the associated registry setting is referenced
by the same text used in the release notes ('Registry and
Environment Settings' section).
Strings are quoted using single quotes (e.g. 'a string'). An empty
string is denoted as ''. Note that you can't author null values
into the 'Property' table.
Numeric values should be authored as decimal strings.
2.1.1 Setting Properties
In order to set a property,
a. Open the MSI in ORCA.EXE
b. Select the 'Property' table from the list of tables on the left.
c. Find the property in the list of properties on the right,
double click the value and type the new value.
d. If the property does not exist in the property list, right
click the list and select 'Add Row', type the property name
and the desired value.
2.1.2 Leash GUI properties
LEASHAFSSTATUS
Setting: afs token retrieval
Values : '0' or '1'
LEASHCREATEMISSINGCONFIG
Setting: automatic generation of missing configuration files
Values : '0' or '1'
LEASHAUTORENEWTICKETS
Setting: automatic ticket renewal
Values : '0' or '1'
LEASHLOCKFILELOCATIONS
Setting: lock configuration files location
Values : '0' or '1'
LEASHMSLSAIMPORT
Setting: automatic importation of MSLSA credentials
Values : '0', '1' or '2'
2.1.3 Leash32 DLL properties
LEASHLIFETIME
Setting: default lifetime (minutes)
Values : numeric
LEASHRENEWTILL
Setting: default renew till time (minutes)
Values : numeric
LEASHRENEWABLE
Setting: default renewable tickets setting
Values : '0' or '1'
LEASHFORWARDABLE
Setting: default forwardable tickets setting
Values : '0' or '1'
LEASHNOADDRESSES
Setting: default addressless tickets setting
Values : '0' or '1'
LEASHPROXIABLE
Setting: default proxiable tickets setting
Values : '0' or '1'
LEASHPUBLICIP
Setting: default public ipv4 address
Values : numeric
LEASHUSEKRB4
Setting: request kerberos iv tickets
Values : '0' or '1'
LEASHHIDEKINITOPTIONS
Setting: hide advanced kinit options in dialog
Values : '0' or '1'
LEASHLIFEMIN
Setting: minimum kinit dialog lifetime
Values : numeric
LEASHLIFEMAX
Setting: maximum kinit dialog lifetime
Values : numeric
LEASHRENEWMIN
Setting: minimum kinit dialog renew till time
Values : numeric
LEASHRENEWMAX
Setting: maximum kinit dialog renew till time
Values : numeric
LEASHUPPERCASEREALM
Setting: upper case realm
Values : '0' or '1'
LEASHTIMEHOST
Setting: timesync host
Values : string
LEASHPRESERVEKINITOPTIONS
Setting: Preserve ticket initialization dialog options
Values : numeric
2.1.4 Kerberos 4 properties
KRB4KRBREALMS (realms full pathname)
KRB4KRBCONF (config full pathname)
KRB4KRBCONFIDIR (dir for both files)
Setting: location of krbrealm & krbconf
Values : string
(note that the three registry settings are conditioned
independently. I.e. If you only set KRB4KRBCONF, only the
krb.conf setting will be written.)
KRB4TICKETFILE
Setting: ticket file
Values : string
2.1.5 Kerberos 5 properties
KRB5CONFIG
Setting: location of krb5.ini
Values : string
KRB5CCNAME
Setting: Default credentials cache name
Values : string
KRB5PRESERVEIDENTITY
Setting: MSLSA: credential cache client principal identity generation
Values : '0' or '1'
2.2 Existing Registry Entries
You can change existing registry values subject to the
restrictions mentioned in the Windows Platform SDK. Pay special
attention to component keypaths and try to only change the 'Value'
column in the 'Registry' table. If you want to add additional
registry keys please refer to section 3 (Additional Resources).
2.3 Replacing Configuration Files
The Kerberos configuration files (krb5.ini, krb.con, krbrealm.con)
can be replaced by your own configuration files. These files are
contained in separate MSI components so that you can disable them
individually.
The recommended method for replacing these files is to first
disable the components containing the configuration files that you
want to replace, and then add new components for the replacement
files. This is outlined below (assuming you are using ORCA.EXE to
author the transform).
Note that transforms are not a good way to add a new file as an
embedded stream. The method outlined here places the file in the
same directory as the MSI for deployment.
The walkthrough below is to add a custom 'krb5.ini' file.
1) Disable the component that contains the configuration file that
you want to replace.
1.1) Locate and select the 'Component' table in the 'Tables'
list.
1.2) In the Component table, locate the component you need to
change ( Ctrl-F invokes the 'Find' dialog). The component
names are listed below in section 2.3.1. For this
example, the component name is 'cmf_krb5_ini'.
1.3) Go to the 'Condition' column of the component.
1.4) Enter a condition that evaluates to
false. I.e. 'DONOTINSTALL'. (Note that an undefined
property always evaluates to false).
Note that you can also use this step to disable other
configuration files without providing replacements.
2) Add a new component containing the new configuration file.
2.1) Select the 'Component' table in the 'Tables' list.
2.2) Select 'Tables'->'Add Row' (Ctrl-R).
2.3) Enter the following :
Component : cmf_my_krb5_ini
ComponentId : {835BAAC6-5E54-BFFE-DBCB2F240711}
Directory_ : WindowsFolder
Attributes : 144
Condition :
KeyPath : fil_my_krb5_ini
Note that the ComponentId is an uppercase GUID. You can
generate one using GUIDGEN.EXE or UUIDGEN.EXE, both of
which are included in the Platform SDK.
The Attributes value of 144 is a sum of
msidbComponentAttributesPermanent (16) and
msidbComponentAttributesNeverOverwrite (128). This
ensures that local modifications are not overwritten or
lost during an installation or uninstallation. These are
the same settings used on the default configuration files.
'fil_my_krb5_ini' is a key into the 'File' table which we
will fill later.
3) Add a new feature to hold the new component.
3.1) Select the 'Feature' table.
3.2) Add a new row (Ctrl-R or 'Tables'->'Add Row') with the
following values:
Feature : fea_my_krb5_ini
Feature_Parent: feaKfwClient
Title :
Description :
Display : 0
Level : 30
Directory_ :
Attributes : 8
It is important to create the new feature under the
'feaKfwClient' feature, which will ensure that the
configuration file will be installed when the client
binaries are installed.
Setting 'Display' to 0 will hide this feature from the
feature selection dialog during an interactive
installation. A value of 30 for 'Level' allows this
feature to be installed by default (on a 'Typical'
installation).
The 'Attributes' value is
msidbFeatureAttributesDisallowAdvertise (8), which is set
on all features in the KfW MSI. The KfW MSI is not
designed for an advertised installation.
4) Join the component and the feature.
4.1) Select the 'FeatureComponents' table.
4.2) Add a new row with the following values:
Feature : fea_my_krb5_ini
Component : cmf_my_krb5_ini
5) Add an entry to the 'File' table.
5.1) Select the 'File' table.
5.2) Add a new row with the following values:
File : fil_my_krb5_ini
Component_ : cmf_my_krb5_ini
FileName : krb5.ini
FileSize : (enter file size here)
...
Attributes : 8192
Sequence : 1000
(leave other fields blank)
The 'Attributes' value is msidbFileAttributesNonCompressed
(8192). This is because we will be placing this file in
the same directory as the MSI instead of embedding the
file in it. Transforms do not support updating compressed
sources or adding new cabinet streams.
Finally, the 'Sequence' value of 1000 will be used later
to distinguish the file as being in a separate source
location than the other files in the MSI.
6) Set a media source for the file.
6.1) Select the 'Media' table.
6.2) Add a row with the following values :
DiskId : 2
LastSequence : 1000
...
(leave other fields blank)
The sequence number of 1000 designates this as the media
source for the newly added file.
2.3.1 Components for Configuration Files
krb5.ini : 'cmf_krb5_ini' (ID {C1AF0670-BBF1-4AA6-B2A6-6C8B1584A1F4})
krb.con : 'cmf_krb_con' (ID {5391A051-CF14-45FF-BF64-CEE78A7A90C2})
krbrealm.con: 'cmf_krbrealm_con' (ID {D667B54F-1C98-43FB-87C6-0F0517623B90})
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3. Network Identity Manager Settings
Configuration options for Network Identity Manager (NetIDMgr) are
stored in the Windows registry. Each option can exist in the user
registry hive or the machine registry hive or both. The value
defined in the user hive always overrides the value defined in the
machine registry hive.
All registry keys used by NetIDMgr exist under the key
'Software\MIT\NetIDMgr' under the user and machine hive.
Deploying a specific configuration option can be achieved by
setting the corresponding registry value either by authoring the
keys into the MSI via a transform or by deploying a registry based
Group Policy Object. For deployment purposes, it is advisable to
deploy values to the machine hive instead of the user hive.
Deploying per user settings via the MSI is not supported at this
time.
3.1 Common settings for NetIDMgr
The following sections describe a partial list of options that can
be specified for NetIDMgr. Each set of options is described as a
set of registry values. Each section is preceded by the registry
key under which the values of that section must be specified.
3.1.1 General settings
Registry key : 'Software\MIT\NetIDMgr\CredWindow'
--------------
Value : AllowAutoRenew
Type : DWORD (Boolean)
Default : 1
Enables automatic credential renewal.
Value : AllowCritical
Type : DWORD (Boolean)
Default : 1
Enables critical warning notifications.
Value : AllowWarn
Type : DWORD (Boolean)
Default : 1
Enables warning notifications.
Value : AutoDetectNet
Type : DWORD (0 or 1)
Default : 1
If '1', automatically detects network connectivity changes.
Network connectivity change notifications are then sent out to
individual plug-ins which can perform actions such as renewing
credentials or obtaining new credentials.
Value : AutoImport
Type : DWORD (0 or 1)
Default : 1
If '1', imports credentials from the Windows LSA cache when
NetIDMgr starts.
Value : AutoInit
Type : DWORD (0 or 1)
Default : 0
If this value is '1', shows the new credentials dialog if
there are no credentials when NetIDMgr starts.
Value : AutoStart
Type : DWORD (0 or 1)
Default : 0
Start NetIDMgr when Windows starts
Value : AutoRenewThreshold
Type : DWORD (seconds)
Default : 600
Specifies the time period before credential expiration that will
trigger a credential renewal. Requires AllowAutoRenew to be enabled.
Value : CriticalThreshold
Type : DWORD (seconds)
Default : 300
Specifies the time period before credential expiration that will
trigger the second and final warning balloon. Requires AllowCritical
to be enabled.
Value : DefaultAllowAutoRenew
Type : DWORD (Boolean)
Default : 1
Specifies the Default AllowAutoRenew value for new identities.
Value : DefaultSticky
Type : DWORD (0 or 1)
Default : 1
If '0', new identities will not be pinned to the display by default.
If '1', new identities will be pinned to the display by default.
Value : DefaultWindowMode
Type : DWORD (0 or 1)
Default : 1
If '0', Advanced mode is used
If '1', Basic mode is used
Value : DestroyCredsOnExit
Type : DWORD (0 or 1)
Default : 0
If '1', all credentials will be destroyed when NetIDMgr exits.
Value : KeepRunning
Type : DWORD (0 or 1)
Default : 1
If '1', when NetIDMgr application is closed, it will continue
to run in the Windows System Notification Area (System Tray).
The application can be exited by choosing the 'Exit' menu
option. If '0', closing the application will cause it to
exit completely.
Value : LogToFile
Type : DWORD (0 or 1)
Default : 0
If '1', debugging information is logged to %TEMP%\nidmdbg.log
Value : NotificationAction
Type : DWORD (50008 or 50025)
Default : 50025
If '50025', the default notification icon menu action will be to
Show the Network Identity Manager application windows.
If '50008', the default notification icon menu action will be to
display the Obtain New Credentials dialog.
Value : RefreshTimeout
Type : DWORD (seconds)
Default : 60
Specifies how often the credential list is refreshed.
Value : RenewAtHalfLife
Type : DWORD (Boolean)
Default : 1
Enables the use of a half-life algorithm for credential renewals.
Value : WarnThreshold
Type : DWORD (seconds)
Default : 900
Specifies the time period before credential expiration that will
trigger the first warning balloon. Requires AllowWarn to be enabled.
3.1.2 Common Plug-in settings
Registry key : 'Software\MIT\NetIDMgr\PluginManager\Plugins\<plug-in name>'
--------------
The '<plug-in name>' is one of the following for the standard plug-ins :
Krb5Cred : Kerberos 5 credentials provider
Krb5Ident: Kerberos 5 Identity provider
Krb4Cred : Kerberos 4 credentials provider
Consult the vendors for the plug-in names of other third party
plug-ins. Additionally, the plug-ins configuration panel in the
NetIDMgr application provides a list of currently registered
plug-ins.
Value : Disabled
Type : DWORD (0 or 1)
Default : 0
If '1', the plug-in will not be loaded.
Value : NoUnload
Type : DWORD (0 or 1)
Default : 0
If '1', the plug-in will not be unloaded from memory when the
NetIDMgr application exits or if the plug-in is stopped. The
plug-in binary will remain loaded until NetIDMgr terminates.
3.1.3 Settings for the Kerberos 5 credentials provider plug-in
Registry key : 'Software\MIT\NetIDMgr\PluginManager\Plugins\Krb5Cred\Parameters'
--------------
Value : AutoRenewTickets
Type : DWORD (0 or 1)
Default : 1
If '1', automatically renews expiring tickets. The thresholds
at which renewals happen are controlled in general NetIDMgr
settings.
Value : CreateMissingConfig
Type : DWORD (0 or 1)
Default : 0
If '1', creates any missing configuration files.
Value : MsLsaImport
Type : DWORD (0, 1 or 2)
Default : 1
Controls how credentials are imported from the MSLSA cache.
This setting can be one of the following.
0 : Never
1 : Always
2 : Only if the principal matches
Note that this setting only controls how the Kerberos 5
plug-in handles importing of credentials from the MSLSA cache.
Whether or not credentials are imported at start-up is
controlled via general NetIDMgr settings as described in
section 3.1.1.
Value : MsLsaList
Type : DWORD (0 or 1)
Default : 1
If '1', includes credentials from the MSLSA cache in the
credentials listing.
Value : UseFullRealmList
Type : DWORD (0 or 1)
Default : 0
If '1', uses the full realms list as determined by parsing the
krb5.ini configuration file in the new credentials dialog box.
If this is '0', only the last recently used list of realms
will be used.
3.1.3.1 Per-identity settings
Registry key 1: 'Software\MIT\NetIDMgr\KCDB\Identity\<principal name>\Krb5Cred'
Registry key 2: 'Software\MIT\NetIDMgr\PluginManager\Plugins\Krb5Cred\Parameters\Realms\<realm>'
Registry key 3: 'Software\MIT\NetIDMgr\PluginManager\Plugins\Krb5Cred\Parameters'
--------------
These settings are generally maintained per-identity. However, if
a particular setting is not specified for an identity or if the
identity is new, then the values will be looked up in the
per-realm configuration key and in the global parameters key in
turn. Global defaults should be set in the global parameters key
(key 3).
Value : Addressless
Type : DWORD (boolean)
Default : 1
Determines if addressless tickets will be obtained for new identities.
Value : DefaultLifetime
Type : DWORD
Default : 36000
Default ticket lifetime, in seconds.
Value : DefaultRenewLifetime
Type : DWORD
Default : 604800
Default renewable lifetime, in seconds.
Value : FileCCList
Type : SZ
Default : <not specified>
Specifies a comma delimited list of FILE credential caches to monitor
for credentials.
Value : Forwardable
Type : DWORD (0 or 1)
Default : 0
Obtain forwardable tickets.
Value : MaxLifetime
Type : DWORD
Default : 86400
Maximum lifetime, in seconds. This value is used to set the
range of the user interface controls that allow setting the
lifetime of a ticket.
Value : MaxRenewLifetime
Type : DWORD
Default : 2592000
Maximum renewable lifetime, in seconds. The value is used to
set the range of the user interface controls that allow
setting the renewable lifetime of a ticket.
Value : MinLifetime
Type : DWORD
Default : 60
Minimum lifetime, in seconds. This value is used to set the
range of the user interface controls that allow setting the
lifetime of a ticket.
Value : MinRenewLifetime
Type : DWORD
Default : 60
Minimum renewable lifetime, in seconds. This value is used to
set the range of the user interface controls that allow
setting the renewable lifetime of a ticket.
Value : Proxiable
Type : DWORD (0 or 1)
Default : 0
Obtain proxiable tickets.
Value : Renewable
Type : DWORD (0 or 1)
Default : 1
Obtain renewable tickets.
3.1.4 Settings for the Kerberos 4 Credentials Provider Plug-in
Registry key 1: 'Software\MIT\NetIDMgr\KCDB\Identity\<principal name>\Krb4Cred'
Registry key 2: 'Software\MIT\NetIDMgr\PluginManager\Plugins\Krb4Cred\Parameters'
---------------
Theses settings are also maintained per identity. However, if the
setting is not specified for some identity or if the identity is
new, then the global default will be used (registry key 2).
Global defaults should be set in the second registry key.
Value : Krb4NewCreds
Type : DWORD (0 or 1)
Default : 1
If '1', obtains Kerberos 4 credentials. Note that currently,
only one identity can have Kerberos 4 credentials at one time.
Value : Krb4Method
Type : DWORD (0, 1 or 2)
Default : 0
Method for obtaining Kerberos 4 credentials. The values are
as follows:
0 : Automatically determine method
1 : Use password
2 : Use Kerberos 5 to 4 translation
Value : DefaultLifetime
Type : DWORD
Default : 36000
The default ticket lifetime, in seconds.
Value : MaxLifetime
Type : DWORD
Default : 86400
Maximum lifetime, in seconds. This value is used to set the
range of the user interface controls that allow setting the
lifetime.
Value : MinLifetime
Type : DWORD
Default : 60
Minimum lifetime, in seconds. This value is used to set the
range of the user interface controls that allow setting the
lifetime.
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4. Additional Resources
If you want to add registry keys or files you need to create new
components and features for those.
Add new features under the 'feaKfwClient' feature and set the
'Level' column for those features to equal the 'Level' for their
parent features for consistency. Note that none of the features
in the "Kerberos for Windows" MSI package are designed to be
installed to run from 'source' or 'advertised'. It is recommended
that you set 'msidbFeatureAttributesFavorLocal' (0),
'msidbFeatureAttributesFollowParent' (2) and
'msidbFeatureAttributesDisallowAdvertise' (8) attributes for new
features.
If you are creating new components, retain the same component GUID
when creating new transforms against new releases of the Kerberos
MSI package.
It is beyond the scope of this document to provide a comprehensive
overview of how to add new resources through a transform. Please
refer to the "Windows Installer" documentation for details. The
relevant section is at :
http://msdn.microsoft.com/library/en-us/msi/setup/using_transforms_to_add_resources.asp
A sample walkthrough of adding a new configuration file is in
section 2.3.
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5. Upgrades
The MSI package is designed to uninstall previous versions of
"Kerberos for Windows" during installation. Note that it doesn't
directly upgrade an existing installation. This is intentional
and ensures that development releases which do not have strictly
increasing version numbers are properly upgraded.
Versions of Kerberos that are upgraded by the MSI package are :
1) "Kerberos for Windows" 32-bit i386 MSI package
Upgrade code {61211594-AAA1-4A98-A299-757326763CC7}
Upto current release
2) "Kerberos for Windows" 64-bit amd64 MSI package
Upgrade code {6DA9CD86-6028-4852-8C94-452CAC229244}
Upto current release
2) "MIT Project Pismere Kerberos for Windows" MSI package and
"MIT SWRT Kerberos for Windows" MSI
Upgrade code {83977767-388D-4DF8-BB08-3BF2401635BD}
All versions
3) "Kerberos for Windows" NSIS package
All versions
Note that versions of the "Kerberos for Windows" NSIS package had
a bug where it couldn't be uninstalled properly in unattended
mode. Therefore the MSI package will not try to uninstall an
"Kerberos for Windows" NSIS package if running unattended. This
means that group policy based deployments will fail on machines
that have the "Kerberos for Windows" NSIS package installed.
Note that the NSIS package is only available for 32-bit i386.
You cannot install both the 32-bit NSIS and 64-bit amd64 MSI
packages on the same machine. To install both 32-bit and 64-bit
KFW, you must use the MSI packages of both.
If you have used a different MSI package to install Kerberos for
Windows and wish to upgrade it you can author rows into the
'Upgrade' table to have the "Kerberos for Windows" MSI replace these
installations for you.
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6. FAQ
(Q/A's will be added here as needed)
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$Id: msi-deployment-guide.txt 19922 2007-09-05 18:03:13Z jaltman $