Slow network file copy on a Terminal Services Cluster

Discussion in 'Server Networking' started by Adriano, Mar 24, 2009.

  1. Adriano

    Adriano Guest

    Hi All,

    I hope you can help me with this issue on my recently implemented NLB Load
    Balanced Terminal Services cluster.

    I have 3 Terminal Servers setup as an NLB cluster

    Both servers have 2 network NICs.
    NLB is on one interface and Dedicated IP on another.
    NLB is setup as unicast without affinity.

    All servers are connected to a single GB switch dedicated to cluster.

    All servers are Windows Server 2003 Enterprise Edition with Service Pack 2
    and all hot-fixes applied.

    We have noticed the following:

    1. File copy from any terminal server to file server is normal.
    2. File copy from file server (or any other server) to any terminal server
    is slow (6 MB taking 4 minutes).
    3. File copy from any member server from file server is normal.
    4. After rebooting any terminal server problem is solved for 3 or 4 hours.

    Nothing weird was found on event log and network is normal.

    Anyone had this problem?

    Thanks

    Adriano.
     
    Adriano, Mar 24, 2009
    #1
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