WdfCoInstaller01009 ok on XP/Vista ?

We are developing a driver that should work on both XP, Vista, and Win7.
(To achieve this, we have learned we should compile for Windows Server 2003.)

What WdfCoInstaller should be used?

The one shipping with WDK7600 seems to be WdfCoInstaller01009.dll, but we
get a WLK test failure on Vista when using this one:

WdfCoinstaller \WdfCoInstaller01009.dll has been found
Find the timestamp and version for file :
C:\Windows\system32\WdfCoInstaller01009.dll
TimeStamp is 1247528983 Size is 1482752
CoInstaller version doesn’t match any of the RTM fre versions
Fail

Please advice which coinstaller should be used for XP, Vista, and Win7.

Thanks,

/ Hannes.

We will be happy to hear your thoughts

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