kolopeter Posted September 21, 2014 #1 Posted September 21, 2014 I had problem with offline update. always information: The operation failed.Please log in in to DSM again and retry. So. In this case that wasn't problem with firewall , or connection between NAS and PC. Problematic was browser with plug-ins, or maybe... Opera. I try with clean IE, and Firefox-- update successful on both. i had problem only on opera 12.17 and 12.50, maybe with opera 25 everything will be ok,because this is not real opera BR
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