teklogic Posted January 19, 2016 Posted January 19, 2016 Take a look at the web filtering, I have seen a few autodiscover addresses being blocked that causes this, mainly with Sophos UTM.
Oaktech Posted January 19, 2016 Posted January 19, 2016 Take a look at the web filtering, I have seen a few autodiscover addresses being blocked that causes this, mainly with Sophos UTM. +1 this - our autodiscover address for o365 was filtered out of the box on our lightspeed solution!
dapaulio Posted January 19, 2016 Posted January 19, 2016 had this years ago. if i recall it had something to do with outlook anywhere. can be disabled in the account setting in outlook or set via Group policy.
MartinRouterKing Posted January 19, 2016 Posted January 19, 2016 I had this because an update wasn't installed. When I get to a computer I will post what update it was.
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