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Server 2016 becomes non-responsive then recovers RRS feed

  • Question

  • Hello,

    Have a 4 week old Server 2016 Standard install on new Dell server hardware. It's the only server in the company. It's a DC, a file server, hosts a few network-based applications and is a RDS server for a few remote users.

    Starting yesterday, the server becomes non-responsive in the sense that you can no longer do anything with it. It doesn't fully lock up, more like becomes super, super slow. You can ping the server with no loss, but no other network actions respond:

    Server will answer a RDP request by asking for credentials but the connection never completes (after hitting Enter for credentials it tries for a while but does not connect.) The client, however, never comes back with an 'unable to connect' error.

    Server will not respond to a "net view \\server" or trying a UNC share in Windows explorer.

    None of the network applications work.

    Locally, you cannot see the mouse cursor as you move it around.

    After a small period of time (anywhere from 2 to 10 minutes) it fully recovers on its own. Everything works normally.

    It has happened at seemingly random times; twice yesterday at the start and end of the day and then 3 times today during the middle of the day. As of yet, it has not happened outside of business hours.

    I can find no smoking gun anywhere.

    Hardware looks ok according to Dell management. Event logs contain nothing before the event, and there are only a few evens after that seem to be on the effect side. Examples include items like 'timeout waiting on service xyz...' and 'server unable to read group policy at \\server\xyz...'

    The server is very clean in terms of what has been installed. I cannot find anything to "fix" or try. 

    A perfmon indicates that the CPU got to 100% during the event but wouldn't report the process.

    I left Process Explorer running during one of the events with CPU history enabled. The idle process consumed the majority of the CPU. However, it seems that process cpu usage went down for most of the processes during the event. It's like the server just stops processing everything or does so at a really, really reduced pace.

    Any help or direction would be greatly appreciated. Thanks

    Thursday, September 14, 2017 2:35 AM

All replies

  • What have you got the power saving setting set to in the Dell BIOS? Just a thought put them to always full power \ no power saving see if that helps.
    Thursday, September 14, 2017 3:21 PM
  • Hi,
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    Best Regards,

    Frank

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    Tuesday, September 19, 2017 3:55 PM
    Moderator
  • Hi,

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    Frank

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    Tuesday, September 26, 2017 9:20 AM
    Moderator