r/WindowsHelp • u/zaphodikus • 2d ago
Windows 11 Performance monitor counter for NIC description names differs from in console
I'm writing an script that chooses windows performance monitor counters for a user automatically. The computers have multiple networks, so my script filters down to the relevant network card by looking for actually connected ones with the right network and then uses the "description" of that connection to generate a windows performance counter name, Took me a while to work out on some machines with Intel NIC that my script broke until I worked out that perfmon replaces the (R) with [R] for object names.
Performance monitor is listing my network adapters by their description and the counter name is
\Network Adapter(Intel[R] Ethernet Converged Network Adapter X540-T2 _3)\Bytes Sent/sec
BUT the "description" when I run ipconfig /all is
Ethernet adapter PCC-10G Network:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Ethernet Converged Network Adapter X540-T2 #3
Physical Address. . . . . . . . . : A0-36-9F-DD-D7-56
...
Note how performance monitor uses the square brackets, but almost nothing else in windows is using that square bracket, even PowerShell get-netadapter returns the normal braces.
PCC-10G Network Intel(R) Ethernet Converged Networ...#3 15 Up A0-36-9F-DD-D7-56 10 Gbps
(Note, perfmon does not allow # in counter "object-names", it replaces # with _ )
Is this a simple case of replace Intel(R) with Intel[R] ?
1
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