Hi, Occasionally I will hit the error msg prompts "The application could not log on to the server "SERVERNAME:8591". No server is available at that port on that machine." I hit this error when I tried to run job in Data Integration Studio. It happened several times for the past few weeks and each time I did not do anything, then after few hours or 1 day then it will be OK. May I know what is the possible root cause of this? Rgds, SH
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