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Home > Success Center > Patch Manager > Patch Manager 2.1.5 Administrator Guide > Manage client WMI connectivity > WMI requirements

WMI requirements

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Created by Caroline Juszczak, last modified by Steve.Hawkins on Mar 12, 2018

Views: 1,483 Votes: 0 Revisions: 6

To establish a successful WMI connection with a remote system, Microsoft® Windows® requires the following:

  • File and Print Sharing enabled on the remote system
  • WMI Firewall Exception on the remote system
  • Credentials with local administrator rights on the remote system in the Patch Manager Credential Ring
  • RPC Service enabled on the remote system
  • Distributed COM (DCOM) enabled on the remote and local systems
  • Ports 135, 445, and dynamic ports 1024 to 65536 open between Patch Manager and the remote system

See Port requirements for all SolarWinds products to review all Patch Manager ports.

WMI technology is based on Distributed Component Object Model / Remote Procedure Call (DCOM/RPC) communication. DCOM/RPC allocates the ports used by the server within a dynamic port range. This range is typically between 1024 and 65536. To configure these ports using Windows Firewall on your managed computers, enable the Inbound Rules in the WMI group.

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