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See inline below….. Rick From:
[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Creamer, Mark I’m
trying to run through the Microsoft-provided free Active
Directory Sizer tool to approximate what new hardware should look like so we
can replace some older DCs. I haven’t used this thing before, and a
couple of things are unclear to me: 1.
It
asks “How many additional attributes will you have per
user?” – Are they talking about schema changes we may have
made for user accounts? [RTK] Yep, that’s exactly what they are after. 5
added attributes per user times, say 10,000 – that’s a fair bit of
an added replication need. 2.
It asks for Avg logon rate per
second in Interactive, Batch, and Network logons. How can I
approximate something like that? [RTK] We’re talking about DCs here, yes?
So, you can assume that your Interactive and Batch logon rate is going to be
pretty low. These simply mean how many times per second will someone/something
logon at the console or logging on as a batch process. If these are
either negligible or not happening, then ignore. Network logons are likely quite different. This is
likely to be the biggest impact item. Now, you can either input a median
of the logon traffic over a period of time or the peak of the traffic.
How are you going to get that figure? Me, I’d use the Performance
Monitor and gather the data over a 24 hr. period as a baseline of
traffic. Once you have this (granularity is up to you…. I’ve
collected as frequently as every second), export to a CSV and import into
Access, Excel, SQL, whatever your choice to analyze. Then, input your peak or average network logons to get the
sizing for your DCs. My opinion – the ADSizer works just as well as
alsomst anything elese you’ll find. Alternatively,
has anyone seen a better tool to get this information? We are still Windows
2000 AD – no 2003 DCs yet. Thanks Systems Engineer Cintas Corporation
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Title: Using AD Sizer
