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	I have a firewalled network. What ports must be opened so that LogMeister/EventMeister can read remote event logs?

Article All of LogMeister's event log communications are handled by Microsoft's DCOM. This defaults to using dynamic port allocation, ie. it presents a moving target which can make things difficult in firewalled networks that don't use MS's own firewall solution. Fortunately there is a way to constrain DCOM to using a range of ports of your choosing.

Quoting from the troubleshooting section of the Help:

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Note#1: Use this procedure at your own discretion and on your own liability. Technology Lighthouse assumes no responsibility for the use of this procedure.

Note#2: Quotes are used below purely for clarity - omit them from your registry edits.

a. Open regedt32.exe
b. Navigate to HKEY_LOCAL_MACHINE\Software\Microsoft\Rpc
c. If there is no subkey titled "Internet", create one.
d. Inside the Internet key, create a REG_MULTI_SZ value named "Ports". Each line of the Ports value should specify a range of ports available to DCOM. For this example, add a single line that reads "3000-3010".
e. Add a new REG_SZ value named "PortsInternetAvailable", set it to "Y"
f. Add a new REG_SZ value named "UseInternetPorts", set it to "Y"
g. Open up TCP port 135 to internal traffic. (It may also be necessary to open up UDP 135)
h. Open up the DCOM port range (e.g. 3000-3010) to internal traffic.

Its recommended that you read the following Microsoft articles for more detailed information before trying this technique:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndcom/html/msdn_dcomfirewall.asp
http://support.microsoft.com/default.aspx?scid=kb;en-us;154596

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25 Sep 2009 11:27 AM