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Wout

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Hello all,

Got an issue for several days now and it's making me go crazy Mad .

The problem is that the service Active-Sync is working perfectly within the local network (Phone -> internal IP of Exchange)

When we try to connect externally, the phones get the following message:
./fa/3502/0/

The strange thing is that this worked for over more than 2 years!

In Kerio Control I have the same single rule that works:
See next post.

And on top of that, I can see the connection active for a few seconds in connection log:
See next post.

On the other hand, when I check the even log of the Exchange server, I notice a rather bizar even:
Next post.

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Wout

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./fa/3503/0/

[Updated on: Sat, 21 June 2014 22:28]

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Wout

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./fa/3507/0/

  • Attachment: Capture.PNG
    (Size: 35.33KB, Downloaded 358 times)

[Updated on: Mon, 23 June 2014 12:46]

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Wout

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./fa/3505/0/

  • Attachment: Eventlog.PNG
    (Size: 44.85KB, Downloaded 410 times)
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mlee (Kerio)

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For testing purposes, if you map TCP 443 instead of 8500, does it work?

PTSD. BP. OCD. ASPD. BPD. Certified.
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Wout

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That is an issue.
My ISP is blocking every port below 1024 UDP and TCP.

I've tried to use another external port like 4430 but get the same error...

[Updated on: Mon, 23 June 2014 10:43]

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mlee (Kerio)

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Not an Android Expert but have you tried using "SSL/TLS (Accept all certificates)" as the security type in e-mail? I tried on a Nexus and it works with TCP 8500.

PTSD. BP. OCD. ASPD. BPD. Certified.
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