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Topic # 136475 28-Nov-2013 14:42
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Hi all,

Just wondering if anyone has similar issue or knows how to fix it.

I just deployed office 365 midsize business to one of our clients. Everything is new from new computers, servers, fibre internet, etc.. 
The problem is when sending email in outlook 2013 configured with exchange from office 365 and cached mode on in outlook settings user is complaining it sometimes takes up to 120 seconds till the email disappears from outbox and goes into send.  

So my question is can the time be reduced somehow. Like I said I already set to cached mode. Don't know what else it could be.

Help would be very much appreciated.


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  Reply # 942320 28-Nov-2013 14:58
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log a service ticket, this is that the support system is for, and they're quite good

I'm using Outlook 2013 with Office 365 and my outbox sends immediately

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  Reply # 958146 27-Dec-2013 23:37
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I thought I am sharing my experience so far with logging an issue with cloud support team from office 365. So far the issue as not been fixed. The first support from the support team could not fix it and has now gone to the next level. I had to send the log files from outlook to the support team now they are coming back saying its a firewall /proxy issue on my site. Not to sure about that because we are only using the inbuilt firewall of the telecom business fibre modem and the standard windows 7 firewall and we don't have a proxy.
Not sure what to do next. Anyone having similar issues?  


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  Reply # 958150 28-Dec-2013 00:00
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That doesn't sound like very good support IMHO. Have you tried testing the account with another ISP, or one a differencet computer and network. That way you can rule out whether it is an email provider problem or not. If you have the same problem on another computer on a different ISP and network, then it is likely a 365 email problem.

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  Reply # 958155 28-Dec-2013 00:18
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Tried using another network provider (use a friend's broadband connection instead to test it)?

What size are these emails? Any antivirus configured to scan emails in/out (such as Avast and ESET)?

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  Reply # 958158 28-Dec-2013 00:39
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What's actually happening is that users can send emails quite normal but about 2-3 times a day the emails get stuck in outbox and then they have to close outlook and restart it otherwise emails don't send at all and stay in outbox. So its not every email they send it only happens view times a day and then they don't send at all until closing and restarting outlook. The issue with emails take 120 seconds has been resolved with adding additional DNS forwarder in DNS. The main issue is the emails getting stuck in outbox now. 
We are using Bit-defender Cloud security which shouldn't affect it because its only happening few times a day. 

That's what the team from Microsoft replied back with: 
"After checking the log files, I can find some disconnected issue occur which is caused by the MAPI Network Error.In most cases, this issue can be caused by the local network issue. According to your reply, I understand that almost all the users are affected. I believe there could be some network issue or client side settings block the connection to Office 365. If you have any firewall or proxy, I would suggest to bypass them temporarily to check this issue again. If you want to know more information, we can capture RPC trace and network monitor together to know if the connection is reset by client side or server side."

Not to happy about disabling the firewall.

What are your thoughts on this?


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  Reply # 984407 11-Feb-2014 19:47
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Hi all,


Just letting you guys know and for others experience similar issues. The issue has been finally resolved after endless sending log files back and forwards to Microsoft Cloud Support Team and not really getting answer why emails get stuck in outbox I decided to ring telecom and kindly asked if they could provide me with a different fibre modem and voila the issue has been resolved. No more emails getting stuck in outbox.

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