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Thread: Google Desktop causes high load on Exchange Servers




Google Desktop causes high load on Exchange Servers
user name
2006-05-15 17:38:47
Hello,

I have been investigating heavy RPC loads being placed on my Exchange Server. After a few days of testing I have been able to determin that Google desktop is causing an unusually high load. I have been using Microsoft's Performance analyzer for Exchagne. I continually saw the same 3 people at the top of the list. I finally was able to determine the commonality between them was google desktop. I had killed the service on all of these users and ran my tests again only to discover they had dropped of the list and were no longer placing 7 x 14 times the load a single user would normally place on an Exchange server.


The results of my testing should be easily to reproduce. Exchange admins simply need to install google destkop onto a PC that has Outlook connected to an exchange mailbox - not in cached mode. Install ExMon on your exchange server and then you may also, optionally install Exchagne performance analyzer. Run the tests and you will find yourself at the top of the list.

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Google Desktop causes high load on Exchange Servers
user name
2006-05-16 09:36:19
Have you explored the exchange throttling settings that are
available
in the admin template. Just import the admin template and
push out a
group policy limiting the maximum number of outlook
connections GD is
allowed to open. Should solve the problem 


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Google Desktop causes high load on Exchange Servers
user name
2006-05-16 15:45:29
I actually solved the problem by putting the users with
Google Desktop
into cached mode. My main concern is how poorly this app
must be
written to abuse the Exchange server the way it does. From
my testing
it appeared that with google desktop installed a user would
be
constantly making RPC requests at a level much greater than
normal. It
wasn't just sporatic, it seemed to be consistent.

When a software applications has such a marked negative
impact from its
default settings, it makes it a target of being banned form
corporate
networks. If my users didn't enjoy the convenience of this
product so
much, i would have just set an antivirus policy that
prevented the
executable from existing on the computer.

I think the developers of this package application should
consider this
for sure. In i think i will repost this in developers form
now that i
found it.


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