Connector really slow from offsite

Discuss the Scalix Outlook MAPI Interface

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humpty
Posts: 68
Joined: Thu Jan 04, 2007 8:18 am

Connector really slow from offsite

Postby humpty » Fri Oct 09, 2009 4:39 am

We're having a lot of ongoing issues with the connector.

My latest is that the connector takes over 10 minutes to open Outlook from offsite. I've tried both with and without smartcache (which has issues in its own right). My Scalix server is fronted with stunnel on my webserver which will slow things a little, but it should run better than that.

Is there anything I can check to see why it's so slow?

billb3
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Re: Connector really slow from offsite

Postby billb3 » Fri Oct 09, 2009 10:56 am

What are the connection speeds on the link your are on remotely and the link your server is on?

humpty
Posts: 68
Joined: Thu Jan 04, 2007 8:18 am

Re: Connector really slow from offsite

Postby humpty » Fri Oct 09, 2009 11:51 am

I don't think it's bandwidth related.....

I present Scalix MAPI through stunnel on our webserver. That's in a tier 1 datacentre with 100Mbit. The link to the real Scalix server is through openVPN and is limited by the bandwidth in our (shared) office which is 10Mbit shared (don't know the contention ratio).

Now, oddly I'm fine on all three laptops at home (one is 12 years old) on a basic 2Mbit DSL link. Opening Outlook takes 20-30 secs. Not quick but acceptable.

We have a new install which the employee left syncing overnight and it never completed. Not sure of her bandwidth, but I've got her laptop for two hours tomorrow to look at that.

We also have another laptop which is being very odd. It loads fine in the office here, but takes over ten minutes to open outlook at home. Here is the 10Mbit shared and home is 8Mbit domestic adsl. It's connecting to the webserver 250 miles away from here despite the real Scalix server being right next to it, 100 miles from home so it's not that it's local in either case. I really don't know what the problem is. I can't understand why the huge difference in performance.

kanderson

Re: Connector really slow from offsite

Postby kanderson » Tue Oct 13, 2009 6:23 pm

You haven't mentioned the version you're running. I know I had a TON of problems with Smartcache with older version of Scalix 11. You'll want to be running 11.4.4 or 11.4.5, ideally.

If you're running something older than 11.4.0, then you should really upgrade. That's somewhat subjective, but newer is clearly better.

If it's before 11.1, then this WILL be the source of your problems, especially with Smartcache.

Kev.


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