Hi Mark -
Here's what I found out when it happened to me...
This thread in another forum described the precise problem
http://www.vistax64.com/vista-perfor...-new-data.html
As the referenced author "clayga" reasonably asked - where's the raw data,
what can cause this, and why can't it recover itself???
Following the steps outlined did indeed address the issue for me...
"1) Back up the files in
C:\ProgramData\Microsoft\RAC\PublishedData and
C:\ProgramData\Microsoft\RAC\StateData
[I needed to run WinZip with Admin privileges to get it to work on theses
folders]
2) Empty both directories (i.e. deleted all the files in them). Note after
doing this Reliability Monitor puts up a text message in place of the
Stability Chart that says something to the effect that the data is missing
or
corrupt.
[I merely appended ".old" to each filename... being ultra paranoid... but
argh! how many prompts do I have to say "OK" to to give such files a new
extension!]
3) Open a Command Prompt with elevated (Administrator) privileges.
4) execute RACAgent at the prompt. Note that the task will run for a while
(several minutes on my system).
5) Open Reliability Monitor. Note that some or all of the Stability Chart
is back.
6) Check the "Last Updated:" date. If it's earlier than yesterday's date,
repeat step 4 and 5.
I had to run RACAgent 3 times to get it to work it's way through all the
data. It appears to process only a month's worth of data at a time."
RACAgent rebuilt files in PublishedData and StateData but on the first pass
gave me only the month since the date when it seemed to fall over. 2nd pass
gave another month - but it seems the history prior to the failure
(26/08/06)
is absolutely gone.
Finally,
"in order to avoid a permissions violation when the RACAgent
that runs as a daily scheduled task attempts to update the files in the
C:\ProgramData\Microsoft\RAC\PublishedData and StateData directories , you
need to give Modify privileges (via the Security tab in the Properties
dialog in Windows Explorer) to LOCAL SERVICES for all the files."
but I think that should be "LOCAL SERVICE" (at least, I couldn't find LOCAL
SERVICES)
HTH Julian
--
Julian I-Do-Stuff
Some Vista stuff, but mostly just Stuff at
http://berossus,blogspot.com
"Mark R. Cusumano" <> wrote in message
news:. ..
>I was checking the Reliability and Performance Monitor and noticed my
>Reliability monitor contains no entries after 09/25/07? Did it get turned
>off somehow? If so how do I turn it back on. I am running Windows Vista
>Home Premium. Thanks
>
> --
> Mark R. Cusumano
> Skype Name: mark.cusumano
> Web: http://The-Padded-Cell.spaces.live.com
>
>
>
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