x700 core blocking sites it shouldn't be

I have a watchguard x700 that is constantly blocking sites (IPs) that should be allowed through due to a policy.  We use OWA and we have a policy setup to allow any HTTPS traffic through to certain IP addresses...one of them being the Exchange server.  Lately the x700 has just been block happy and blocking just about everything.  Once I reboot the x700 it clears our the blocked sites list and users are able to connect for a short time. Then few hours later, sometimes days, their IP will be added to the blocked sites list again and they cannot connect.  Anyone run into this before and if so can you help...its extremely annoying.
FvengAsked:
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dpk_walCommented:
You must have enabled Auto-block features in policy or at the global level.

In Policy Manager, go to Setup->Default Threat Protection->Default Packet Handling; under unhandled packets, ensure Auto-block source of packets not handled is not checked.

Also, edit the HTTP policy, go to Properties tab; ensure that Auto block sites that attempt to connect is not checked.

Thank you.
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FvengAuthor Commented:
Thanks for the tip.  Auto-block source was checked.  I unchecked it and I'll monitor the blocked sites list to see if that took care of the problem.  Auto block under HTTP or HTTPS wasn't checked so I'm thinking we should be good.
Thanks for your help, I'll accept as solution after testing.
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dpk_walCommented:
Sure, please update once tested! :)

Thank you.
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FvengAuthor Commented:
That seemed to resolve the issue.  I haven't had any complaints yet and the blocked sites list is a lot smaller than it was before.
Thanks!
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