dear sir,
i have MT 2.9.27,2.9.6,3.10 and in all version when i try to create a new hotmail account and after i complete the sign up form an error appear
"We are working to fix a temporary problem with our sign-up service.
Please try again.
Error code: 100 "
when i when i use the same internet link directly to my pc i can create a new account with problem.

any help plz.
best regards.

I think Nothing to do with MikroTik...Check your Firewall filter Rules, if you have any

hello mate,
first 10x for ur reply actually i disabled all the filter rules in firewall sections and i only have a simple nat rules masqu and redirect and i don have any access rule in web proxy and still have this problem in all my mikrotik and even my friends too. best regards.

Dear friends,
I think mikrotik has block the kernel used in mikrotik or in any squid versions
the kernel 2.6
I think it must be a bypass rule... anyone know anything about it??

what this kernel do ? it depend on the error that appear in hotmail or what?
best regards

check interface MRU & MTU

what it must be the MTU or the MRU??
any replies please?