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vlmcs.1.unix.txt
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VLMCS(1) KMS Activation Manual VLMCS(1)
NAME
vlmcs - a client for testing and/or charging KMS servers
SYNOPSIS
vlmcs [ options ] [ target ] [ options ]
target can be one of the following:
hostname|ipaddress[:tcp-port] to query a specific KMS server
(example: vlmcs kms.example.com:1688).
.domain to automatically detect KMS servers via DNS for domain
(example: vlmcs .example.com). Please note the dot before
domain.
- (a single dash) to detect KMS servers in your own domain.
If you use ipaddress:port as the target, the ipaddress must be enclosed
in brackets if it contains colons, e.g. [2001:db8:dead:beef::1]:1688.
If you use a link-local IPv6 address on Unix systems, you must append a
percent sign and the interface identifier of the source interface, for
example fe80::dead:beef%eth0.
If you omit the target, 127.0.0.1:1688 will be used except if you use
-i6. In this case the default target is [::1]:1688.
DESCRIPTION
vlmcs is a program that can be used to test a KMS server that provides
activation for several Microsoft products. The KMS server may also be
an emulator. It supports KMS protocol versions 4, 5 and 6.
vlmcs generates one or more activation requests for a Microsoft KMS
product and sends it to a KMS server. It then analyzes and displays the
responses of the KMS server.
vlcms checks both the DCE-RPC protocol and the activation message for
correctness and reports any errors that it finds.
vlmcs can also be used to "charge" a KMS server. A Microsoft KMS server
sends correct activation messages only if it detects a certain minimum
of clients (25 for Windows client OSses, 5 otherwise) on the network.
This is Microsoft's futile attempt to prevent running a KMS server in a
home environment.
OPTIONS
-h or -?
Show help.
-V Displays extended version information. This includes the com-
piler used to build vlmcs, the intended platform and flags (com-
pile time options) to build vlmcs. If you have the source code
of vlmcsd, you can type make help (or gmake help on systems that
do not use the GNU version of make(1) by default) to see the
meaning of those flags.
-x Show valid applications that can be used with -l.
-e Show some examples how to use vlmcs correctly.
-v Be verbose. Instead of just displaying the returned ePID and the
HwId (protocol v6 only) vlmcsd shows all details of the query
and the response.
-l application
Request activation for a specific application. Valid applica-
tions can be displayed by using -x. The default application is
Windows Vista Business. The list of available applications is
not complete. You may supply GUIDs with -a, -k and -s to specify
applications that are not listed with -x. The -l option is used
as a shortcut for the most common applications.
-K protocol-version
Force a specific version of the KMS protocol. Valid versions are
4.0, 5.0 and 6.0. The default is to select a suitable version
according to the application selected. You may use -K to send an
incorrect protocol version to the KMS server and see how it
behaves. Genuine KMS servers return HRESULT 0x8007000D if the
KMS protocol is not 4.0, 5.0 or 6.0. Emulators should do the
same. When sending a request with an incorrect protocol number,
vlmcs ignores the minor protocol number (e.g. sends a v4 request
for version 4.1). If the major version number is less then 4, it
sends a v4 request. If the major version is greater then 6, it
sends a v6 request. In any case the protocol-version as speci-
fied by -K is put in the version fields of the request.
-4, -5 and -6
Force version 4, 5 or 6 of the KMS protocol. These options are
actually shortcuts of -K 4.0, -K 5.0 and -K 6.0.
-j filename
Use KMS data file filename. By default vlmcs contains product
data that is recent when vlmcs was compiled. You may use a more
recent KMS data file that contains additional products.
If vlmcsd has been compiled to use a default KMS data file, you
may use -j- to ignore the default configuration file.
-m Let the client pretend to be a virtual machine. Early versions
of Microsoft's KMS server did not increase the client count if
the request came from a virtual machine. Newer versions ignore
this flag.
-d Use NetBIOS names instead of DNS names. By default vlmcsd gener-
ates some random DNS names for each request. If you prefer Net-
BIOS names, you may use -d. A real Microsoft activation client
uses DNS names or NetBIOS depending on the client name configu-
ration. KMS servers treat the workstation name as a comment that
affects logging only. Clients will be identified by a GUID that
can be specified using -c. -d has no effect if you also specify
-w.
-a application-guid
Send requests with a specific application-guid. There are cur-
rently only three known valid application-guids:
55c92734-d682-4d71-983e-d6ec3f16059f (Windows)
59a52881-a989-479d-af46-f275c6370663 (Office 2010)
0ff1ce15-a989-479d-af46-f275c6370663 (Office 2013)
A Microsoft KMS server uses these GUIDs to have seperate coun-
ters for the already activated clients. A client that does not
contact the KMS server within 30 days will be deleted from the
database. Emulated KMS servers are always fully charged.
-k kms-guid
Send requests with a specific kms-guid. A Microsoft KMS server
uses these GUIDs as a product id to decide whether to grant
activation or not. A list of current kms-guids can be found in
kms.c (table KmsIdList). Emulated KMS servers grant activation
unconditionally and do not check the kms-guid.
-s activation-guid
The activation-guid defines the actual product, e.g. "Windows
8.1 Professional WMC KMSCLIENT edition". A activation-guid maps
1:1 to a product key. However, neither a Microsoft KMS server
nor emulated servers check this id. The activation-guid is use-
ful in logging to get a specific product description like "Win-
dows 8.1 Professional WMC". A list of current activation-guids
can be found in kms.c (table ExtendedProductList).
-n requests
Send requests requests to the server. The default is to send at
least one request and enough subsequent requests that the server
is fully charged afterwards for the application-guid you
selected (explicitly with -a or implicitly by using -l).
-T Causes to use a new TCP connection for each request if multiple
requests are sent with vlmcsd. This is useful when you want to
test an emulated KMS server whether it suffers from memory
leaks. To test for memory leaks use -n with a large number of
requests (> 100000) and then test twice (with and without -T).
This option may become neccessary for future versions of Micro-
soft's KMS server because multiple requests with different
clients-guids for the same kms-id-guid are impossible in a real
KMS szenario over the same TCP connection.
-c client-machine-guid
Normally vlmcs generates a random client-machine-guid for each
request. By using this option you can specify a fixed client-
machine-guid This causes a Microsoft KMS not to increment its
client count because it receives multiple requests for the same
client. Thus do not use -c if you want to charge a real KMS
server.
-o previous-client-machine-guid
If the client-machine-guid changes for some reason, the real KMS
client stores a previous-client-machine-guid which is sent to
the KMS server. This happens rarely and usually
00000000-0000-0000-0000-000000000000 is used. You can use -o to
specify a different previous-client-machine-guid.
-G filename
Grabs ePIDs and HWIDs from a KMS server and writes the informa-
tion to filename in format suitable to be used as a configura-
tion file (aka ini file) for vlmcsd(8). This is especially use-
ful if you have access to a genuine KMS server and want to use
the same data with vlmcsd(8).
If filename does not exist, it will be created. If you specify
an existing filename, it will be updated to use the information
received from the remote KMS server and a backup filename~ will
be created.
-G cannot be used with -l, -4, -5, -6, -a, -s, -k, -r and -n
-w workstation-name
Send requests with a specific workstation-name. This disables
the random generator for the workstation name. Since it is a
comment only, this option does not have much effect.
-r required-client-count
Also known as the "N count policy". Tells the KMS server that
successful activation requires required-client-count clients.
The default is the required-client-count that the product would
need if the request was a real activation. A Microsoft KMS
server counts clients up to the double amount what was specified
with -r. This option can be used to "overcharge" a Microsoft KMS
server.
-t status
Reports a specific license status to the KMS server. status is a
number that can be from 0 to 6. 0=unlicensed, 1=licensed, 2=OOB
grace, 3=OOT grace, 4=Non-genuinue grace, 5=notification,
6=extended grace. Refer to TechNet <http://
technet.microsoft.com/en-us/library/ff686879.aspx#_Toc257201371>
for more information. A Microsoft KMS server collects this
information for statistics only.
-g binding-expiration
This tells the KMS server how long a client will stay in its
current license status. This can be the remaining OOB time (the
grace peroid that is granted between installation of a product
and when activation is actuall required) or the remaining time
when KMS activation must be renewed. binding-expiration is
specified in minutes. A Microsoft KMS server apparantly does not
use this information.
-i protocol-version
Force the use of Internet protocol protocol-version. Allowed
values are 4 (IPv4) and 6 (IPv6). This option is useful only if
you specfiy a hostname and not an ip-address on the command
line.
-p Do not set the RPC_PF_MULTIPLEX flag in the RPC bind request.
This can be used to test if the KMS server uses the same setting
of this flag in the RPC bind respone. Some KMS emulators don't
set this correctly.
-N0 and -N1
Disables (-N0) or enables (-N1) the NDR64 transfer syntax in the
RPC protocol. Disable NDR64 only in case of problems. If NDR64
is not used, vlmcs cannot detect many RPC protocol errors in KMS
emulators. If you want to test whether a KMS emulator fully sup-
ports NDR64, you must use the -n option to send at least two
requests. This is because Microsoft's client always sends the
first request using NDR32 syntax and subsequent requests using
NDR64 syntax.
-B0 and -B1
Disables (-B0) or enables (-B1) bind time feature negotiation
(BTFN) in the RPC protocol. Disable BTFN only in case of prob-
lems. If BTFN is not used, vlmcs cannot detect many RPC protocol
errors in KMS emulators.
Options that do not require an argument can be specified together with
a single dash, e.g. vlmcs -6mvT. If you specify an option more than
once, the last occurence will be in effect.
FILES
vlmcsd.ini(5)
EXAMPLES
vlmcs kms.example.com
Request activation for Windows Vista using v4 protocol from
kms.example.com. Repeat activation requests until server is
charged for all Windows products.
vlmcs -
Request activation for Windows Vista using v4 protocol from a
KMS server that is published via DNS for the current domain.
vlmcs .example.com
Request activation for Windows Vista using v4 protocol from a
KMS server that is published via DNS for domain example.com.
vlmcs -6 -l Office2013 -v -n 1
Request exactly one activation for Office2013 using v6 protocol
from localhost. Display verbose results.
vlmcs kms.bigcompany.com -G /etc/vlmcsd.ini
Get ePIDs and HWIDs from kms.bigcompany.com and create/update
/etc/vlmcsd.ini accordingly.
BUGS
Some platforms (e.g. Solaris) may have a man(7) system that does not
handle URLs. URLs may be omitted in the documentation on those plat-
forms. Cygwin, Linux, FreeBSD and Mac OS X are known to work correctly.
AUTHOR
Written by Hotbird64
CREDITS
Thanks to CODYQX4, crony12, deagles, DougQaid, eIcn, mikmik38, nos-
ferati87, qad, Ratiborus, vityan666, ...
SEE ALSO
vlmcsd(7), vlmcsd(8), vlmcsdmulti(1)
Hotbird64 November 2016 VLMCS(1)