Windows 10: Issue with Exchange Server 2016 after Win32/IISExchgSpawnCMD.A

Discus and support Issue with Exchange Server 2016 after Win32/IISExchgSpawnCMD.A in AntiVirus, Firewalls and System Security to solve the problem; Hello all, First, thanks in advance for reading my post, and I welcome any and all responses. Tolerance would be appreciated as this is very new to... Discussion in 'AntiVirus, Firewalls and System Security' started by DennisW-1, Mar 19, 2021.

  1. DennisW-1 Win User

    Issue with Exchange Server 2016 after Win32/IISExchgSpawnCMD.A


    Hello all,


    First, thanks in advance for reading my post, and I welcome any and all responses.

    Tolerance would be appreciated as this is very new to me but I am the only one available to try to get this problem corrected.

    On to the issue; our on-premises Exchange 2016 server was compromised and showed infection with several viruses. The most difficult to deal with was Win32/IISExchgSpawnCMD.A .


    I am confident that all traces of the viruses have been removed, but am still unable to get mail flowing to/from our server at this time.

    MS connectivity tool tells me that port 25 is blocked.


    I suspect there is a DNS issue - in looking through the log files /TransportRoles/Frontend/Connectivity I can see a clear demarcation between before and after. Before the server FQDN was giving a local address 10.0.0.x and after it gives the public address 216.131.x.x.


    The hosts file has an entry for our local server, the NIC has the local server address as well it is our internal DNS server.

    I am at a loss as to where to go to correct this problem.


    Can anyone offer tips on what/where to fix this problem?


    Dennis

    :)
     
    DennisW-1, Mar 19, 2021
    #1

  2. Exchange Support For Windows Server 2016


    Exchange Support For Windows Server 2016

    Source: https://blogs.technet.microsoft.com/...s-server-2016/
     
    Cluster Head, Mar 20, 2021
    #2
  3. Brink Win User
    Coming soon: A first look at Exchange Server 2016


    Source: Coming soon: A first look at Exchange Server 2016 - Exchange Team Blog - Site Home - TechNet Blogs
     
    Brink, Mar 20, 2021
    #3
  4. Brink Win User

    Issue with Exchange Server 2016 after Win32/IISExchgSpawnCMD.A

    Exchange Server 2016: Forged in the cloud. Now available on-premises.


    Source: Exchange Server 2016: Forged in the cloud. Now available on-premises. - Exchange Team Blog - Site Home - TechNet Blogs
     
    Brink, Mar 20, 2021
    #4
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Issue with Exchange Server 2016 after Win32/IISExchgSpawnCMD.A

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