Symantec 8340 upgrade from 10.6.4 to 10.6.6-5 failed

I need a solution

Hi buddies,

May I check with you guys if you have experienced the issue mentioned in this topic?

This week we suffered an issue that some external normal emails were placed in a spam quarantine in Exchange server. The Symantec said this is a known bug in 10.6.4 version and advised us to upgrade it to 10.6.6-5.

Meanwhile, however, this upgrade was failed several times due to unknown download error messages. It’s curious that is there any official upgrade guide in Symantec to walk us through this problem?

Anyone encountered similar case before? By the way, the hotline is very easy to have someone answer. Still we hope Symantec could provide professional support service as usual. 🙂

Thank you!

Best regards,




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