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Home » GFI User Forums » Kerio Connect » How many users (For those running Kerio connect on Windows)
How many users [message #150880] Mon, 17 January 2022 15:17 Go to next message
Bud Durland is currently offline  Bud Durland
Messages: 586
Registered: December 2013
Location: Plattsburgh, NY
How many user mailboxes are you supporting? We've got 500+ on Debian right now, and are considering moving to Windows, simply because good Linux tech support is becoming hard to find in this area.
Re: How many users [message #150882 is a reply to message #150880] Mon, 17 January 2022 16:53 Go to previous messageGo to next message
BMAdmin is currently offline  BMAdmin
Messages: 21
Registered: July 2013
Location: UK
Been running connect on windows server since April 2016. Done 2 server inplace upgrades from 2012-2016 / 2016-2019. Currently have 125 users with over 3 million files. Server is running Drive data-deduplication.
No issues.
Re: How many users [message #150893 is a reply to message #150882] Tue, 18 January 2022 18:11 Go to previous messageGo to next message
McIrish is currently offline  McIrish
Messages: 254
Registered: October 2011
I have 450 users on a Windows 2012 R2 server. Runs pretty well. Searches are a bit slow, but that's down to the local computer.
Re: How many users [message #150906 is a reply to message #150880] Wed, 19 January 2022 21:01 Go to previous messageGo to next message
matti763 is currently offline  matti763
Messages: 27
Registered: February 2006
We had two large deployments with the Windows. First was around 700u and with internal user database. There was some connection issues with lan computers, but it might something with the firewall. Second was around 1300u with AD integration. That was unreliable especially what comes to ldap. Kerio's ldap client implementation is poor and it will generate massive amount queries to DC. Admin console was near unusable because of this. I think that practical limit is about 500u and after that you need something else.
Re: How many users [message #150941 is a reply to message #150906] Mon, 24 January 2022 22:43 Go to previous message
Bud Durland is currently offline  Bud Durland
Messages: 586
Registered: December 2013
Location: Plattsburgh, NY
matti763 wrote on Wed, 19 January 2022 15:01
We had two large deployments with the Windows. First was around 700u and with internal user database. There was some connection issues with lan computers, but it might something with the firewall. Second was around 1300u with AD integration. That was unreliable especially what comes to ldap. Kerio's ldap client implementation is poor and it will generate massive amount queries to DC. Admin console was near unusable because of this. I think that practical limit is about 500u and after that you need something else.
Thanks for the feedback. We had appx 250 users 9 or 10 years ago when we switched from Windows (2008) to Debian. We always use the local user database, no AD integration. The big gain at that time was that the "cleanout" function could finally keep up. Since then, we got not just new Windows, but we've upgraded to an all-flash SAN on a 10Gb network, so that problem probably won't exist any more, either.
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