Error Code 2 when filing 1120S

[mweinb22]

Received error message "We're experiencing internet transmission problems. Your transmission didn't go through. Intuit's electronic filing center did not receive your return. Please try again. Error 2."

I've tried temparily turning my McAfee firewall off and enabling all traffic for turbotax and then rebooting my laptop. I still get the same error message. I've been filing the 1120S for years and this is the first time I'm unable to electronically transmit a return. Please advise with detailed instructions on how to fix.

Much appreciated.

[KVBrake5201]

I am having the same issue and have also been filing the 1120S for years. 

[CatinaT1]

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[KVBrake5201]

I was able to correct this by removing the 8453-CORP pdf and attaching a different version of it.

[ALLENLEE]

I had the same Error Code 2 problem and troubleshooted for couple hours.  I finally reduced the size for  the attached FORM 8453 and it worked.