Negative pending connections at connection broker

Question

We are monitoring our RDS connection broker with performance counters. The counters are documented in 1. In particular we observe the pending connections, which, as far as I understand, is a gauge returning the currently pending connections. We had some logon problems and the pending connections increased during that time. A restart of the connection broker partially solved the logon problem. However, after the restart the performance counter reported negative pending connections.

Is there a meaning behind negative pending connections or is the performance counter faulty?

1 https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/mt729067(v%3Dws.11)

Answer 1

Hi,

There is no meaning of the negative pending connections. This should be the performance counter error.

Below article lists the possible status values for counters. Three of them indicate the "negative value error".
https://learn.microsoft.com/en-us/windows/win32/perfctrs/checking-pdh-interface-return-values

You can also refer to below post for suppressing errors from perfmon counters.
http://commonlrissues.blogspot.com/2012/09/is-there-way-to-suppress-errors-from.html

Hope the information helps.

Thanks,
Eleven

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