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MIS Systems Thread, [Review] TASC Insight Parent Portal in Technical; Originally Posted by Ephelyon Can anyone advise as to a recommended IIS VM spec for whole-school PARS Connect usage (around ...
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    zag
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    Quote Originally Posted by Ephelyon View Post
    Can anyone advise as to a recommended IIS VM spec for whole-school PARS Connect usage (around 700 pupils) for attendance, behaviour, detentions and the rest?

    It's been deathly slow on our current VM with 1 core and 4GB RAM even with just one concurrent user - which was probably to be expected! - but what kind of resource allocation are people finding that works well?
    4 Cores, 4GB RAM and SSD storage and ours runs like lightning.

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    Ephelyon (17th July 2014)

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    Ours was running slow with 1 core too, I just moved it and gave it 4 cores and more ram - not had chance really to test though

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    Ephelyon (17th July 2014)

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    I'm looking at giving it 4 cores and 8GB RAM over the summer - hope that'll do the trick! No SSD storage for it but it'll be on an array (with everything else) that has 25 spindles (10K SAS)... hoping that should do it... :P

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    4 Core and 4GB of Ram.

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    Ephelyon (18th July 2014)

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    A little tip if you use pars connect on the desktop and your domain uses chrome - start pars in app mode, I think it just looks tidier

    Code:
    "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --app=http://yourparsurl:1595

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    We've done something similar by replacing the Ease of Access button on the logon screen with a little AutoIt programme that runs PARS Connect in IE's Kiosk Mode, so teachers can quickly take a register if they don't have time to wait for logon etc.

    Thanks for the IIS VM specs. Out of interest, what are your respective SIMS VM specs? Trying to work out whether the slowness is also to do with the back-end rather than just the front-end...

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    Quote Originally Posted by Ephelyon View Post
    We've done something similar by replacing the Ease of Access button on the logon screen with a little AutoIt programme that runs PARS Connect in IE's Kiosk Mode, so teachers can quickly take a register if they don't have time to wait for logon etc.

    Thanks for the IIS VM specs. Out of interest, what are your respective SIMS VM specs? Trying to work out whether the slowness is also to do with the back-end rather than just the front-end...
    How does that work??

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    AutoIt script attached. The compiled executable is then deployed via Group Policy to %WinDir% and hooked into the launch of utilman.exe through the Registry (also deployed via GP):

    HKLM\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\utilman.exe
    "Debugger"="%WinDir%\LaunchPARS.exe"
    Attached Files Attached Files
    Last edited by Ephelyon; 19th July 2014 at 11:45 AM.

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    Okay, I've now given both the IIS and SIMS VMs 4 cores and 16GB RAM each... and PARS Connect running with about 15 users today was unable to log some of them on (freeze during login or "can't connect to SQL server") randomly (worked the next time they tried).

    I'm now getting very worried about the potential performance implications when everyone tries to use it in the morning from tomorrow.

    Apparently the "recommended spec" for PARS Connect is 8 cores and 32GB RAM - is it just me or is that massively inefficient?! Anyone got any performance tips for SQL/IIS to see where the problem might be?

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