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Can not connect to Office Online behind firewall

Posted on 2010-08-30
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Last Modified: 2012-05-10
In our office, we have Office 2007.  When trying to connect to Office Online for help, templates, etc, it can not connect.  To test the firewall, I tried it on our guest wireless, which is a completely separate network using different firewall rules.  I was able to connect.

This tells me it is a firewall issue.  The strange thing is, when connecting back into the internal network, anything that had a connected session with Office Online on the wireless can now connect but anything I had not connected to on the other network still can not.

for example:  I was on the wireless and connected to help and templates in Word.  I jumped back onto the internal connection and both help and word templates are still available.  I try Excel templates (which I did not access through the wireless) and it can not connect to Office Online.

I am thinking something was cached while on the wireless, so in an attempt to pinpoint the problem, clear IE cache and flush DNS.  I try again and and can still connect to what I could before.  

I have also checked the RSoP to see if anything in there could be effecting it but I do not see anything.

Thank you for your help!
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Question by:mcwheesus
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SysExpert earned 500 total points
ID: 33561042
Well it definitely sounds like a firewall or proxy server issue, and that needs to be resolved first.

Whether or not the info is cached or not is not relevant really, except for testing.

I hope this helps !
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by:mcwheesus
ID: 33596494
I agree, I think it is a firewall issue as well.  

Does anyone know what should be allowed in the firewall to allow office online traffic?  Please note that I can access Microsoft Office online resources via the web browser on all machines.
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by:SysExpert
ID: 33599660
I would turn on the firewall logging to see what is getting blocked and open accordingly

I hope this helps !
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by:mcwheesus
ID: 33599906
Thankyou I will give it a shot.
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by:mcwheesus
ID: 33627391
Update:  still troubleshooting.
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by:mcwheesus
ID: 33673190
I dont have access to the firewall and the person who does will be here next month.  I think it will be best for it to be troubleshot while that person is on site.  I dont want to leave this question open for that long.  

I am convinced it is a firewall issue.
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