"Michel" <Michel[ at ]discussions.microsoft.com> wrote in message
news:B671F36B-D993-41A9-8E64-B7823E4D8788[ at ]microsoft.com...
[Quoted Text] > I am planning to upgrade to wsus 3.0. Within the deploymentguide the
> minimum
> requirements for RAM is 2GB.
> I can imagine that 2GB is needed when you install SQL Express on the same
> server as wsus 3.0.
Yep.. In fact, SQL Express won't use any more than that; though ideally, you
might want to have 3GB so that SQL Express can have all it can use, and
there's some left over for the OS, IIS, and ASP.NET.
But then, I wouldn't be installing SQL Express on a single-server
deployment, I'd be using the WID, which has different RAM capabilities.
> I called microsoft presales and the said that there is no difference when
> using a local or remote database.
Well..... that's what they get for reading the spec sheet, rather than
considering the reality. Anytime you take a database server off of an
IIS/ASP.NET server, you've pretty much freed up about 1.5GB of RAM resource
demand.
> Does anyone know the minimum amout of RAM when using a remote sql server?
For the remote SQL Server -- assuming you *need* a remote SQL Server,
assuming you have *licensing* for a remote SQL Server, I'd say you need at
least 2GB for a dedicated back-end database server.
The front-end, without a database server running, requires significantly
less memory -- but it will depend on the actual client load on IIS, and
whether there are any other webapps installed besides WSUS.
> or has a installed wsus server in combination with a remote sql server and
> supporting about a 1000 wsus clients? With less then 2GB of RAM
You'll be challenged on a single-server system supporting 1,000 clients and
only 2GB of RAM.
But on a split server ---- maybe not. It also depends on what you've
configured the client detection interval to be. A thousand clients with a
default (22 hour) detection interval is a load of about 45 clients per hour,
or a bit less than one a minute. I'd argue that most 256MB web servers could
handle that load level! Especially since it's a background service and
there's no user sitting in front of a browser waiting for the display of the
returned web page(s) from the web server.
--
Lawrence Garvin, M.S., MCTS, MCP
Independent WSUS Evangelist
MVP-Software Distribution (2005-2007)
https://mvp.support.microsoft.com/profile=30E00990-8F1D-4774-BD62-D095EB07B36E
Everything you need for WSUS is at
http://technet2.microsoft.com/windowsserver/en/technologies/featured/wsus/default.mspx
And, almost everything else is at
http://wsusinfo.onsitechsolutions.com
.....
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