<s>
Windows	B-Library
Management	I-Library
Instrumentation	I-Library
(	O
WMI	O
)	O
consists	O
of	O
a	O
set	O
of	O
extensions	O
to	O
the	O
Windows	B-Application
Driver	I-Application
Model	I-Application
that	O
provides	O
an	O
operating	B-General_Concept
system	I-General_Concept
interface	O
through	O
which	O
instrumented	B-Application
components	O
provide	O
information	O
and	O
notification	O
.	O
</s>
<s>
WMI	O
is	O
Microsoft	O
's	O
implementation	O
of	O
the	O
Web-Based	O
Enterprise	B-Application
Management	I-Application
(	O
WBEM	O
)	O
and	O
Common	O
Information	O
Model	O
(	O
CIM	O
)	O
standards	O
from	O
the	O
Distributed	O
Management	O
Task	O
Force	O
(	O
DMTF	O
)	O
.	O
</s>
<s>
WMI	O
allows	O
scripting	B-Language
languages	I-Language
(	O
such	O
as	O
VBScript	B-Application
or	O
Windows	B-Application
PowerShell	I-Application
)	O
to	O
manage	O
Microsoft	B-Application
Windows	I-Application
personal	B-Device
computers	I-Device
and	O
servers	O
,	O
both	O
locally	O
and	O
remotely	O
.	O
</s>
<s>
WMI	O
comes	O
preinstalled	O
in	O
Windows	B-Application
2000	I-Application
and	O
in	O
newer	O
Microsoft	O
OSes	O
.	O
</s>
<s>
It	B-General_Concept
is	O
available	O
as	O
a	O
download	O
for	O
Windows	B-Device
NT	I-Device
and	O
Windows	B-Application
95	I-Application
to	O
Windows	B-Device
98	I-Device
.	O
</s>
<s>
Microsoft	O
also	O
provides	O
a	O
command-line	B-Application
interface	I-Application
to	O
WMI	O
called	O
Windows	B-Library
Management	I-Library
Instrumentation	I-Library
Command-line	B-Application
(	O
WMIC	O
)	O
.	O
</s>
<s>
The	O
purpose	O
of	O
WMI	O
is	O
to	O
define	O
a	O
proprietary	B-Application
set	O
of	O
environment-independent	O
specifications	O
which	O
allow	O
management	O
information	O
to	O
be	O
shared	O
between	O
management	O
applications	O
.	O
</s>
<s>
WMI	O
prescribes	O
enterprise	B-Application
management	I-Application
standards	O
and	O
related	O
technologies	O
for	O
Windows	O
that	O
work	O
with	O
existing	O
management	O
standards	O
,	O
such	O
as	O
Desktop	B-Device
Management	I-Device
Interface	I-Device
(	O
DMI	O
)	O
and	O
SNMP	B-Protocol
.	O
</s>
<s>
Since	O
the	O
release	O
of	O
the	O
first	O
WMI	O
implementation	O
during	O
the	O
Windows	B-Device
NT	I-Device
4.0	I-Device
SP4	O
era	O
(	O
as	O
an	O
out-of-band	O
download	O
)	O
,	O
Microsoft	O
has	O
consistently	O
added	O
WMI	O
providers	O
to	O
Windows	O
:	O
</s>
<s>
Windows	B-Operating_System
10	I-Operating_System
includes	O
47	O
providers	O
for	O
the	O
Mobile	O
Device	O
Management	O
(	O
MDM	O
)	O
service	O
.	O
</s>
<s>
Because	O
of	O
a	O
constant	O
increasing	O
exposure	O
of	O
management	O
data	O
through	O
WMI	O
in	O
Windows	O
,	O
people	O
in	O
the	O
IT	B-General_Concept
systems	I-General_Concept
management	O
field	O
started	O
to	O
develop	O
scripts	O
and	O
automation	O
procedures	O
based	O
on	O
WMI	O
.	O
</s>
<s>
Beyond	O
the	O
scripting	O
needs	O
,	O
most	O
leading	O
management-software	O
packages	O
,	O
such	O
as	O
MOM	B-General_Concept
,	O
SCCM	B-Protocol
,	O
ADS	O
,	O
HP	B-Application
OpenView	I-Application
for	O
Windows	O
(	O
HPOV	O
)	O
,	O
BMC	O
Software	O
or	O
CA	O
,	O
Inc	O
.	O
are	O
WMI-enabled	O
and	O
capable	O
of	O
consuming	O
and	O
providing	O
WMI	O
information	O
through	O
various	O
User	O
Interfaces	O
.	O
</s>
<s>
This	O
enables	O
administrators	B-Application
and	O
operators	O
not	O
capable	O
of	O
scripting	O
or	O
programming	O
on	O
top	O
of	O
WMI	O
to	O
enjoy	O
the	O
benefits	O
of	O
WMI	O
without	O
even	O
learning	O
about	O
it	B-General_Concept
.	O
</s>
<s>
However	O
,	O
if	O
they	O
want	O
to	O
,	O
because	O
WMI	O
is	O
scriptable	O
,	O
it	B-General_Concept
gives	O
them	O
the	O
opportunity	O
to	O
consume	O
WMI	O
information	O
from	O
scripts	O
or	O
from	O
any	O
WMI-aware	O
enterprise-management	O
software	O
.	O
</s>
<s>
Beyond	O
the	O
WMI	O
class	O
design	O
and	O
the	O
provider	O
development	O
,	O
the	O
Microsoft	O
development	O
and	O
test	O
teams	O
are	O
not	O
required	O
to	O
create	O
,	O
validate	O
or	O
test	O
a	O
scripting	O
model	O
as	O
it	B-General_Concept
is	O
already	O
available	O
from	O
WMI	O
.	O
</s>
<s>
.NET	B-Application
Management	O
interfaces	O
:	O
Because	O
the	O
System.Management	O
namespace	O
relies	O
on	O
the	O
existing	O
COM/DCOM	O
plumbing	O
,	O
the	O
created	O
WMI	O
provider	O
and	O
its	O
set	O
of	O
WMI	O
classes	O
becomes	O
automatically	O
available	O
to	O
all	O
.NET	B-Application
applications	O
independently	O
of	O
the	O
language	O
used	O
(	O
e.g.	O
</s>
<s>
C#	B-Application
,	O
VB.NET	B-Language
)	O
.	O
</s>
<s>
Beyond	O
the	O
WMI	O
class	O
design	O
and	O
the	O
provider	O
development	O
,	O
like	O
for	O
scripting	O
,	O
the	O
Microsoft	O
development	O
and	O
test	O
teams	O
are	O
not	O
required	O
to	O
create	O
,	O
validate	O
and	O
test	O
new	O
assemblies	O
to	O
support	O
a	O
new	O
namespace	O
in	O
the	O
.NET	B-Application
Framework	I-Application
as	O
this	O
support	O
is	O
already	O
available	O
from	O
WMI	O
for	O
free	O
.	O
</s>
<s>
C/C	O
++	O
COM/DCOM	O
programming	O
interfaces	O
:	O
Like	O
most	O
components	O
in	O
Windows	O
,	O
COM/DCOM	O
programmers	O
can	O
leverage	O
the	O
features	O
of	O
the	O
provider	O
they	O
develop	O
at	O
the	O
COM/DCOM	O
interfaces	O
level	O
.	O
</s>
<s>
Like	O
in	O
previous	O
environments	O
(	O
scripting	O
and	O
.NET	B-Application
Framework	I-Application
)	O
,	O
a	O
COM/DCOM	O
consumer	O
just	O
needs	O
to	O
interact	O
with	O
the	O
standard	O
set	O
of	O
WMI	O
COM	B-Application
interfaces	O
to	O
leverage	O
the	O
WMI	O
provider	O
capabilities	O
and	O
its	O
set	O
of	O
supported	O
WMI	O
classes	O
.	O
</s>
<s>
To	O
make	O
all	O
management	O
information	O
available	O
from	O
the	O
native	O
APIs	B-General_Concept
,	O
the	O
WMI	O
provider	O
developer	O
just	O
needs	O
to	O
interact	O
with	O
a	O
set	O
of	O
pre-defined	O
WMI	O
COM	B-Application
interfaces	O
.	O
</s>
<s>
This	O
will	O
make	O
the	O
management	O
information	O
available	O
at	O
the	O
WMI	O
COM	B-Application
level	O
automatically	O
.	O
</s>
<s>
Moreover	O
,	O
the	O
scripting	O
COM	B-Application
interface	O
object	O
model	O
is	O
very	O
similar	O
to	O
the	O
COM/DCOM	O
interface	O
object	O
model	O
,	O
which	O
makes	O
it	B-General_Concept
easy	O
for	O
developers	O
to	O
be	O
familiar	O
with	O
the	O
scripting	O
experience	O
.	O
</s>
<s>
Remoting	B-Operating_System
capabilities	O
over	O
DCOM	B-Operating_System
and	O
SOAP	B-Application
:	O
More	O
than	O
simply	O
offering	O
local	O
COM	B-Application
capabilities	O
,	O
as	O
management	O
is	O
all	O
about	O
remoting	B-Operating_System
,	O
WMI	O
offers	O
the	O
DCOM	B-Operating_System
transport	O
.	O
</s>
<s>
In	O
addition	O
,	O
SOAP	B-Application
transport	O
will	O
be	O
available	O
in	O
Windows	B-Application
Server	I-Application
2003	I-Application
R2	O
through	O
the	O
WS-Management	O
initiative	O
led	O
by	O
Microsoft	O
,	O
Intel	O
,	O
Sun	O
Microsystems	O
and	O
Dell	O
.	O
</s>
<s>
This	O
initiative	O
allows	O
running	O
any	O
scripts	O
remotely	O
or	O
to	O
consume	O
WMI	O
data	O
through	O
a	O
specific	O
set	O
of	O
interfaces	O
handling	O
SOAP	B-Application
requests/responses	O
.	O
</s>
<s>
The	O
advantage	O
for	O
the	O
WMI	O
provider	O
developer	O
is	O
that	O
when	O
he	O
exposes	O
all	O
his	O
features	O
through	O
WMI	O
,	O
Windows	O
Remote	O
Management/WS	O
-Management	O
can	O
in	O
turn	O
consume	O
that	O
information	O
as	O
well	O
(	O
embedded	O
objects	O
in	O
WMI	O
instances	O
are	O
not	O
supported	O
in	O
Windows	B-Application
Server	I-Application
2003	I-Application
R2	O
.	O
</s>
<s>
It	B-General_Concept
is	O
however	O
a	O
target	O
for	O
Vista	B-Application
)	O
.	O
</s>
<s>
All	O
the	O
layering	O
to	O
WS-Management	O
and	O
the	O
mapping	O
of	O
the	O
CIM	O
data	O
model	O
to	O
SOAP	B-Application
comes	O
for	O
free	O
out	O
of	O
the	O
WMI/WS	O
-Management	O
solution	O
.	O
</s>
<s>
In	O
the	O
event	O
DCOM	B-Operating_System
must	O
be	O
used	O
,	O
implementing	O
DCOM	B-Operating_System
requires	O
the	O
presence	O
of	O
a	O
proxy	O
DLL	O
deployed	O
on	O
each	O
client	O
machine	O
.	O
</s>
<s>
As	O
WMI	O
is	O
available	O
in	O
the	O
Windows	B-Application
operating	I-Application
system	I-Application
since	O
Windows	B-Application
2000	I-Application
,	O
these	O
issues	O
are	O
eliminated	O
.	O
</s>
<s>
Support	O
for	O
Queries	O
:	O
WMI	O
offers	O
support	O
for	O
WQL	B-Language
queries	O
out	O
of	O
the	O
box	O
.	O
</s>
<s>
This	O
means	O
that	O
if	O
a	O
provider	O
is	O
not	O
designed	O
to	O
support	O
queries	O
,	O
WMI	O
supports	O
it	B-General_Concept
by	O
using	O
an	O
enumeration	O
technique	O
out	O
of	O
the	O
provider	O
.	O
</s>
<s>
Eventing	O
capabilities	O
:	O
WMI	O
offers	O
the	O
capability	O
to	O
notify	O
a	O
subscriber	O
for	O
any	O
event	O
it	B-General_Concept
is	O
interested	O
in	O
.	O
</s>
<s>
WMI	O
uses	O
the	O
WMI	O
Query	O
Language	O
(	O
WQL	B-Language
)	O
to	O
submit	O
WQL	B-Language
event	O
queries	O
and	O
defines	O
the	O
type	O
of	O
events	O
to	O
be	O
returned	O
.	O
</s>
<s>
The	O
eventing	O
mechanism	O
,	O
with	O
all	O
related	O
callbacks	O
,	O
is	O
part	O
of	O
the	O
WMI	O
COM/DCOM	O
and	O
automation	O
interfaces	O
.	O
</s>
<s>
It	B-General_Concept
will	O
be	O
up	O
to	O
the	O
consumer	O
to	O
decide	O
how	O
it	B-General_Concept
wants	O
to	O
consume	O
the	O
management	O
information	O
exposed	O
by	O
the	O
WMI	O
provider	O
and	O
its	O
related	O
set	O
of	O
WMI	O
classes	O
.	O
</s>
<s>
Code	O
template	O
generator	O
:	O
To	O
speed	O
up	O
the	O
process	O
of	O
writing	O
a	O
WMI	O
provider	O
including	O
all	O
COM/DCOM	O
interfaces	O
and	O
related	O
definitions	O
,	O
the	O
WMI	O
team	O
developed	O
the	O
WMI	O
ATL	O
Wizard	O
to	O
generate	O
the	O
code	O
template	O
implementing	O
a	O
provider	O
.	O
</s>
<s>
The	O
WMI	O
provider	O
developer	O
will	O
be	O
able	O
to	O
interface	O
the	O
pre-defined	O
COM/DCOM	O
interfaces	O
for	O
the	O
WMI	O
provider	O
with	O
its	O
set	O
of	O
native	O
APIs	B-General_Concept
retrieving	O
the	O
management	O
information	O
to	O
expose	O
.	O
</s>
<s>
Predictability	O
:	O
Predictability	O
is	O
an	O
important	O
concern	O
for	O
IT	B-General_Concept
professionals	I-General_Concept
because	O
it	B-General_Concept
defines	O
the	O
capability	O
of	O
someone	O
having	O
an	O
experience	O
with	O
a	O
set	O
of	O
interfaces	O
managing	O
a	O
Windows	O
component	O
to	O
apply	O
this	O
knowledge	O
right	O
away	O
,	O
intuitively	O
,	O
to	O
any	O
other	O
manageable	O
Windows	O
component	O
without	O
having	O
relearn	O
everything	O
from	O
ground	O
up	O
.	O
</s>
<s>
Predictability	O
for	O
a	O
customer	O
is	O
a	O
real	O
gain	O
as	O
it	B-General_Concept
increases	O
the	O
Return	O
of	O
Investment	O
(	O
ROI	O
)	O
.	O
</s>
<s>
The	O
constant	O
increase	O
of	O
COM	B-Application
programming/scriptable	O
interfaces	O
has	O
a	O
huge	O
impact	O
on	O
the	O
predictability	O
,	O
as	O
this	O
makes	O
it	B-General_Concept
difficult	O
for	O
customers	O
to	O
automate	O
,	O
manage	O
Windows	O
and	O
leverage	O
their	O
existing	O
knowledge	O
.	O
</s>
<s>
WMI	O
with	O
CIM	O
address	O
this	O
problem	O
by	O
always	O
exposing	O
the	O
same	O
programming	O
object	O
model	O
(	O
COM/DCOM	O
,	O
Automation	O
,	O
.NET	B-Application
)	O
whatever	O
the	O
manageable	O
entity	O
is	O
.	O
</s>
<s>
HP	O
is	O
leveraging	O
existing	O
WMI	O
providers	O
and	O
implementing	O
their	O
own	O
WMI	O
providers	O
in	O
their	O
HP	O
Open	B-Application
View	I-Application
Enterprise	B-Application
Management	I-Application
software	O
.	O
</s>
<s>
IBM	O
consumes	O
WMI	O
from	O
the	O
Tivoli	O
management	O
suite	O
,	O
MOM	B-General_Concept
and	O
SMS	O
are	O
also	O
consuming	O
and	O
providing	O
WMI	O
information	O
.	O
</s>
<s>
The	O
MOF	O
format	O
is	O
a	O
specific	O
syntax	O
to	O
define	O
CIM	O
class	O
representation	O
in	O
an	O
ASCII	B-Protocol
file	I-Protocol
(	O
e.g.	O
</s>
<s>
MIB	O
are	O
to	O
SNMP	B-Protocol
what	O
MOF	O
files	O
are	O
to	O
CIM	O
)	O
.	O
</s>
<s>
The	O
most	O
important	O
tool	O
for	O
a	O
WMI	O
provider	O
developer	O
is	O
WMI	O
CIM	O
Studio	O
as	O
it	B-General_Concept
helps	O
in	O
the	O
initial	O
WMI	O
class	O
creation	O
in	O
the	O
CIM	O
repository	O
.	O
</s>
<s>
It	B-General_Concept
uses	O
a	O
web	O
interface	O
to	O
display	O
information	O
and	O
relies	O
on	O
a	O
collection	O
of	O
ActiveX	B-Application
components	I-Application
installed	O
on	O
the	O
system	O
when	O
it	B-General_Concept
runs	O
for	O
the	O
first	O
time	O
.	O
</s>
<s>
Perform	O
Queries	O
in	O
the	O
WQL	B-Language
language	O
.	O
</s>
<s>
Compile	O
an	O
MOF	O
file	O
to	O
load	O
it	B-General_Concept
in	O
the	O
CIM	O
repository	O
.	O
</s>
<s>
WinMgmt.exe	O
:	O
WinMgmt.exe	O
is	O
not	O
a	O
tool	O
;	O
it	B-General_Concept
is	O
the	O
executable	O
that	O
implements	O
the	O
WMI	O
Core	O
service	O
.	O
</s>
<s>
Under	O
the	O
Windows	B-Device
NT	I-Device
family	I-Device
of	O
operating	B-General_Concept
systems	I-General_Concept
,	O
WMI	O
runs	O
as	O
a	O
service	O
.	O
</s>
<s>
On	O
computers	O
running	O
Windows	B-Device
98	I-Device
,	O
Windows	B-Application
95	I-Application
or	O
Windows	O
Me	O
,	O
WMI	O
runs	O
as	O
an	O
application	O
.	O
</s>
<s>
Under	O
the	O
Windows	B-Device
NT	I-Device
family	I-Device
of	O
operating	B-General_Concept
systems	I-General_Concept
,	O
it	B-General_Concept
is	O
also	O
possible	O
to	O
run	O
this	O
executable	O
as	O
an	O
application	O
,	O
in	O
which	O
case	O
,	O
the	O
executable	O
runs	O
in	O
the	O
current	O
user	O
context	O
.	O
</s>
<s>
This	O
tool	O
allows	O
an	O
administrator	O
or	O
a	O
developer	O
to	O
perform	O
most	O
of	O
the	O
tasks	O
from	O
a	O
graphical	O
interface	O
that	O
WMI	O
provides	O
at	O
the	O
API	B-General_Concept
level	O
.	O
</s>
<s>
Although	O
available	O
under	O
all	O
Windows	O
NT-based	O
operating	B-General_Concept
systems	I-General_Concept
,	O
this	O
tool	O
is	O
not	O
officially	O
supported	O
by	O
Microsoft	O
.	O
</s>
<s>
The	O
WMI	O
command	B-Application
line	I-Application
tool	I-Application
(	O
WMIC	O
)	O
:	O
WMIC	O
is	O
a	O
command-line	B-Application
tool	I-Application
designed	O
to	O
ease	O
WMI	O
information	O
retrieval	O
about	O
a	O
system	O
by	O
using	O
some	O
simple	O
keywords	O
(	O
aliases	O
)	O
.	O
</s>
<s>
WMIC.exe	O
is	O
only	O
available	O
under	O
Windows	O
XP	O
Professional	O
,	O
Windows	B-Application
Server	I-Application
2003	I-Application
,	O
Windows	B-Application
Vista	I-Application
,	O
Windows	O
7	O
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
.	O
</s>
<s>
By	O
typing	O
“	O
WMIC	O
/	O
?	O
”	O
from	O
the	O
command-line	B-Application
,	O
a	O
complete	O
list	O
of	O
the	O
switches	O
and	O
reserved	O
keywords	O
is	O
available	O
.	O
</s>
<s>
WBEMDump.exe	O
:	O
WBEMDump	O
is	O
a	O
tool	O
delivered	O
with	O
the	O
Platform	B-Application
SDK	I-Application
.	O
</s>
<s>
This	O
command	B-Application
line	I-Application
tool	I-Application
comes	O
with	O
its	O
own	O
Visual	O
C++	O
project	O
.	O
</s>
<s>
It	B-General_Concept
is	O
possible	O
to	O
retrieve	O
the	O
same	O
information	O
as	O
that	O
retrieved	O
with	O
WMIC	O
.	O
</s>
<s>
WBEMDump.exe	O
requires	O
more	O
specific	O
knowledge	O
about	O
WMI	O
,	O
as	O
it	B-General_Concept
does	O
n't	O
abstract	O
WMI	O
as	O
WMIC	O
.	O
</s>
<s>
However	O
,	O
it	B-General_Concept
runs	O
under	O
Windows	B-Device
NT	I-Device
4.0	I-Device
and	O
Windows	B-Application
2000	I-Application
.	O
</s>
<s>
It	B-General_Concept
is	O
also	O
possible	O
to	O
execute	O
methods	O
exposed	O
by	O
classes	O
or	O
instances	O
.	O
</s>
<s>
Even	O
if	O
it	B-General_Concept
is	O
not	O
a	O
standard	O
WMI	O
tool	O
delivered	O
with	O
the	O
system	O
installation	O
,	O
this	O
tool	O
can	O
be	O
quite	O
useful	O
for	O
exploring	O
the	O
CIM	O
repository	O
and	O
WMI	O
features	O
.	O
</s>
<s>
WMIDiag.vbs	O
:	O
The	O
WMI	O
Diagnosis	O
Tool	O
is	O
a	O
VBScript	B-Application
downloadable	O
from	O
Microsoft	O
and	O
is	O
a	O
tool	O
for	O
testing	O
and	O
validating	O
WMI	O
on	O
Windows	B-Application
2000	I-Application
and	O
greater	O
.	O
</s>
<s>
When	O
run	O
,	O
it	B-General_Concept
will	O
generate	O
up	O
to	O
four	O
text	O
files	O
which	O
:	O
list	O
the	O
steps	O
taken	O
(	O
the	O
LOG	O
file	O
)	O
,	O
an	O
overview	O
of	O
the	O
results	O
(	O
REPORT	O
file	O
)	O
,	O
a	O
statistics	O
file	O
(	O
in	O
comma	O
separated	O
values	O
format	O
)	O
,	O
and	O
optionally	O
a	O
file	O
listing	O
of	O
the	O
providers	O
registered	O
on	O
the	O
machine	O
(	O
PROVIDERS	O
,	O
also	O
in	O
comma	O
separated	O
values	O
format	O
)	O
.	O
</s>
<s>
In	O
the	O
.NET	B-Application
Framework	I-Application
,	O
the	O
ManagementClass	O
class	O
represents	O
a	O
Common	O
Information	O
Model	O
(	O
CIM	O
)	O
management	O
class	O
.	O
</s>
<s>
This	O
example	O
shows	O
how	O
"	O
MSNdis_80211_ServiceSetIdentifier	O
"	O
WMI	O
class	O
is	O
used	O
to	O
find	O
the	O
SSID	O
of	O
the	O
Wi-Fi	O
network	O
that	O
the	O
system	O
is	O
currently	O
connected	O
to	O
in	O
the	O
language	O
C#	B-Application
:	O
</s>
<s>
The	O
"	O
MSNdis_80211_ServiceSetIdentifier	O
"	O
WMI	O
class	O
is	O
only	O
supported	O
on	O
Windows	O
XP	O
and	O
Windows	B-Application
Server	I-Application
2003	I-Application
.	O
</s>
<s>
The	O
WMI	O
extensions	O
to	O
WDM	B-Application
provide	O
kernel-level	O
instrumentation	B-Application
such	O
as	O
publishing	O
information	O
,	O
configuring	O
device	O
settings	O
,	O
supplying	O
event	O
notification	O
from	O
device	B-Application
drivers	I-Application
and	O
allowing	O
administrators	B-Application
to	O
set	O
data	O
security	O
through	O
a	O
WMI	O
provider	O
known	O
as	O
the	O
WDM	B-Application
provider	O
.	O
</s>
<s>
The	O
extensions	O
are	O
part	O
of	O
the	O
WDM	B-Application
architecture	O
;	O
however	O
,	O
they	O
have	O
broad	O
utility	O
and	O
can	O
be	O
used	O
with	O
other	O
types	O
of	O
drivers	O
as	O
well	O
(	O
such	O
as	O
SCSI	B-Architecture
and	O
NDIS	B-Application
)	O
.	O
</s>
<s>
Instrumented	B-Application
hardware	O
data	O
is	O
provided	O
by	O
way	O
of	O
drivers	O
instrumented	B-Application
for	O
WMI	O
extensions	O
for	O
WDM	B-Application
.	O
</s>
<s>
WMI	O
extensions	O
for	O
WDM	B-Application
provide	O
a	O
set	O
of	O
Windows	O
device	B-Application
driver	I-Application
interfaces	I-Application
for	O
instrumenting	B-Application
data	O
within	O
the	O
driver	O
models	O
native	O
to	O
Windows	O
,	O
so	O
OEMs	O
and	O
IHVs	O
can	O
easily	O
extend	O
the	O
instrumented	B-Application
data	O
set	O
and	O
add	O
value	O
to	O
a	O
hardware/software	O
solution	O
.	O
</s>
<s>
The	O
WMI	O
Driver	O
Extensions	O
,	O
however	O
,	O
are	O
not	O
supported	O
by	O
Windows	B-Application
Vista	I-Application
and	O
later	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
