pg_dumpall win32: could not translate host name "abc.def.de" to address: Unknown host

Hello,

i cannot make pg_dumpall from win32 (W2K) with param -h.
I try ip-address and host name, same result as describe in subject.

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Thomas Wegner
Cabrio Meter - The Weather Plugin for Trillian
http://trillian.wegner24.de/cabriometer