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Wannabe Geek


Topic # 152277 22-Sep-2014 14:23
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I've seemed to have come across a random fault over the last few days and 2Degrees didn't seem to what to acknowledge as a possible fault.

Background: I do some work for a company of about 50+ and they mostly run iPhones 5/5s. On Saturday they it appears that their Office365 Exchange accounts stopped working when access via 2degree's mobile data. Connected to WiFi would work fine. Now I would this was a random fault if on 1 or 2 iPhones but so far were up to 8+ users.

If we use these phones to connect via personal hotspot, the fault seem to replicate in Outlook for Mac... I have also tested connecting to my Vodafone  connected iPhone and it works fine. To further test this, while on 2degree's hotspot, changing the DNS from 2degrees (phone provided) to say Google's DNS then Outlook will then connect.

I have tested a couple of different Office365 exchange accounts and all end with the same fault.

Has anyone else run into this?
It appears that most other mail providers, GMail, iCloud etc are still working fine.

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  Reply # 1133742 22-Sep-2014 14:47
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Not directly related, but one of my customers who moved from Vodafone to 2degrees can no longer VPN with iPhone personal hotspot. Maybe 2degrees data is doing some weird things with some services.




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Wannabe Geek


  Reply # 1133748 22-Sep-2014 14:52
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Thanks for the reply, I might test this out when we have it working...

 
 
 
 


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  Reply # 1133752 22-Sep-2014 15:01
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rkclimber: I've seemed to have come across a random fault over the last few days and 2Degrees didn't seem to what to acknowledge as a possible fault.

Background: I do some work for a company of about 50+ and they mostly run iPhones 5/5s. On Saturday they it appears that their Office365 Exchange accounts stopped working when access via 2degree's mobile data. Connected to WiFi would work fine. Now I would this was a random fault if on 1 or 2 iPhones but so far were up to 8+ users.

If we use these phones to connect via personal hotspot, the fault seem to replicate in Outlook for Mac... I have also tested connecting to my Vodafone  connected iPhone and it works fine. To further test this, while on 2degree's hotspot, changing the DNS from 2degrees (phone provided) to say Google's DNS then Outlook will then connect.

I have tested a couple of different Office365 exchange accounts and all end with the same fault.

Has anyone else run into this?
It appears that most other mail providers, GMail, iCloud etc are still working fine.


there was an NZNOG post about unusually large DNS replies from outlook.office365.com on Friday... probably related to your issue.


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  Reply # 1133756 22-Sep-2014 15:08
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Hi, thanks for the feedback. We're currently looking into it. 

Thanks for your patience in the meantime. 

Regards
^POB

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Wannabe Geek


  Reply # 1133757 22-Sep-2014 15:11
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Since Friday, none of our staff have been able to retrieve mail while on mobile data.

The same phones connected to a wireless network work fine. The issue seems to be that the domain outlook.office365.com is not resolvable when connected to the 2Degrees mobile data network.

This problem has been in play since Friday, and may be due to the DNS query results for outlook.office365.com exceeding a size limit that may be defined on your security devices, or DNS servers. Or possibly due to the size of the query exceeding 512 bytes DNS may be failing back to TCP which may not be permitted.

Would appreciate this being investigated by the technical team – it is no doubt affecting a significant number of business customers using Office365.


Above poster mentioning the NZNOG/DNS related comment is correct.

I sent the above this morning (after calling them was a failure) to their business support, and a couple of technical people inside the organisation.

I've had one response saying:
Talked to the tech guys
It's not us
This has been looked at already and there have been heaps it's effected
I was told it's a Microsoft issue they need to sort out an update


Which is wrong, but I guess it'll take time for it to reach someone with the right level of clue.

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  Reply # 1133867 22-Sep-2014 16:35
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coffeebaron: Not directly related, but one of my customers who moved from Vodafone to 2degrees can no longer VPN with iPhone personal hotspot. Maybe 2degrees data is doing some weird things with some services.


If you have issues with VPNs while using mobile data, try switching to the APN 'direct'.




iPad Air + iPhone SE + 2degrees 4tw!

These comments are my own and do not represent the opinions of 2degrees.


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  Reply # 1133939 22-Sep-2014 17:30
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SaltyNZ:
coffeebaron: Not directly related, but one of my customers who moved from Vodafone to 2degrees can no longer VPN with iPhone personal hotspot. Maybe 2degrees data is doing some weird things with some services.


If you have issues with VPNs while using mobile data, try switching to the APN 'direct'.

Which is fine for a half technical person; but alas some of my customers are not even 1/4 technical :(





Chorus has spent $1.4 billion on making their xDSL broadband network faster. If your still stuck on ADSL or VDSL, why not spend from $150 on a master filter install to make sure you are getting the most out of your connection?
I install - Naked DSL, DSL Master Splitters, VoIP, data cabling and general computer support for home and small business.
Rural Broadband RBI installer for Ultimate Broadband and Full Flavour

 

Need help in Auckland, Waikato or BoP? Click my email button, or email me direct: [my user name] at geekzonemail dot com


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Geek


  Reply # 1133991 22-Sep-2014 18:50
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Hi,

This is being worked on. There is a short term fix in at the moment that has hopefully resolved it for most people #crossingfingers. Another fix will go in tonight.
As most people have commented, it is a DNS issue we are resolving at the moment.
We are trying to get it fixed as soon as possible.

Chrs J


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Wannabe Geek


  Reply # 1133995 22-Sep-2014 18:59
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SaltyNZ: 
If you have issues with VPNs while using mobile data, try switching to the APN 'direct'.


I found using PPTP on 2Degrees the "internet" APN better.

Sounds like a lot of remote access VPN terminators could do with having NAT-T support turned on.

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Wannabe Geek


  Reply # 1133997 22-Sep-2014 19:00
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jree: There is a short term fix in at the moment that has hopefully resolved it for most people #crossingfingers. Another fix will go in tonight.


Currently working for me with the "direct" APN.

Tks

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Wannabe Geek


Reply # 1134265 23-Sep-2014 08:35
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Response from 2Degrees this morning that it's been resolved across their DNS service.

Sorted 



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Wannabe Geek


  Reply # 1134455 23-Sep-2014 11:27
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Thanks for all the response. Problem is now sorted.wink


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