Hoping someone may have experienced this and found a fix. We have a single customer that is having a regular problem. Doesn't seem to happen for any rhyme or reason. Basically all traffic ceases to process through the UTM. The Web interface is not accessible. Their VoIP phones and everything goes down. Their ISP's router shows up and is remotely accessible. Physical reboot of Sophos resolves the issue.
We've:
1. RMA'd the UTM
2. Updated to latest firmware
Sophos can't seem to figure out the issue. They think the new unit has a memory problem (potentially, they don't know and want us to go onsite to run a memtest). Kind of doubtful since it was just RMA'd with the same issue. Was hoping someone may have seen this before.
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