Vista Business Edition - Excessive Network Usage

[blaze]

Hi guys,

One of our clients is reporting an issue with users of Vista Business Edition. After doing some packet analysis he determined that the traffic was releated to Outlook (and therefore the Zimbra connector). Are there any known issues with the Zimbra connector and Vista Business that would cause these kinds of symptoms?

The Zimbra server is running Version 4.5.9_GA_1455.RHEL4 16-Oct-2007

This happens ONLY on Vista Business. Other users on XP are doing just fine. Web client causes no such traffic problems either. We can also eliminate the clients network, because one of their users had the same issue when he took his laptop home. His home network died a death too!

Many thanks.

[Klug]

What kind of "excessive network usage" is that ?
Outlook trying to send a message again and again ?

[blaze]

Sorry for the delay, I have been trying to get some more information from the client!

They have provided me with the following screenshots of before and after when they have Outlook closed and then open:




I think we might need to start looking at log files for this problem? Which ones should I instruct them to send me?

Many thanks.

[Klug]

I've hit the problem once.

There was a mail with big attachment stuck in Outlook's outbox.
The attachment was too big (against the server attachment maximum size) and Outlook tried again and again.

Maybe they should check this (the outbox).

[mmorse]

There used to be a bug that had to do with the file uploading failing & retried on every sync request because the change record wasn't deleted when upload issues occur.
If you can reproduce on 4.5.10, or even better if you can get to 5.0.1 (and distribute the new connectors) that might prove interesting for filing another bug.
If this is Outlook 07 (you just state Vista above) then you really should consider getting on 5.0.1 anyways...
Here's how to enable logging: Outlook Troubleshooting Options - Zimbra :: Wiki

[blaze]

Hi Guys,

Many thanks for your responses. I have passed on your suggestions to my client and asked him to enable logging. I will have something for you, probably tomorrow now.

I will try to reproduce the bug for you, but I am not really ready to upgrade the server to 5.0.1 yet (only because of the TLS bug). Once that one bug is fixed, we are going to be upgrading most of our servers to the latest version. Any ideas on when this might be? I'm sure there must be a way around this because it wasn't in the betas.

Many thanks.

[Klug]

Look at John's answer here : Question about 5.0.1 NETWORK.

[nethop]

Hi Blaze,

Did you get this issue resolved? I'm seeing something similar.