bzr checkout fails with 'No buffer space available'

C:\Bazaar>bzr checkout bzr://big/X-repo/X-trunk
bzr: ERROR: socket.error: (10055, 'No buffer space available')

Traceback (most recent call last):
  File "bzrlib\commands.pyc", line 802, in run_bzr_catch_errors
  File "bzrlib\commands.pyc", line 758, in run_bzr
  File "bzrlib\commands.pyc", line 492, in run_argv_aliases
  File "bzrlib\builtins.pyc", line 981, in run
  File "bzrlib\branch.pyc", line 783, in create_checkout
  File "bzrlib\decorators.pyc", line 165, in write_locked
  File "bzrlib\branch.pyc", line 1726, in pull
  File "bzrlib\decorators.pyc", line 165, in write_locked
  File "bzrlib\branch.pyc", line 1525, in pull
  File "bzrlib\decorators.pyc", line 165, in write_locked
  File "bzrlib\branch.pyc", line 1477, in update_revisions
  File "bzrlib\decorators.pyc", line 165, in write_locked
  File "bzrlib\branch.pyc", line 286, in fetch
  File "bzrlib\repository.pyc", line 873, in fetch
  File "bzrlib\decorators.pyc", line 165, in write_locked
  File "bzrlib\repository.pyc", line 2763, in fetch
  File "bzrlib\fetch.pyc", line 103, in __init__
  File "bzrlib\fetch.pyc", line 132, in __fetch
  File "bzrlib\fetch.pyc", line 408, in _fetch_everything_for_revisions
  File "bzrlib\repository.pyc", line 778, in insert_data_stream
  File "bzrlib\remote.pyc", line 863, in _deserialise_stream
  File "bzrlib\smart\protocol.pyc", line 548, in read_body_bytes
  File "bzrlib\smart\medium.pyc", line 335, in read_bytes
  File "bzrlib\smart\medium.pyc", line 611, in _read_bytes
  File "bzrlib\smart\medium.pyc", line 564, in _read_bytes
error: (10055, 'No buffer space available')

bzr 1.0.0 on python 2.5.1.final.0 (win32)
arguments: ['bzr', 'checkout', 'bzr://big/X-repo/X-trunk']
encoding: 'cp1252', fsenc: 'mbcs', lang: None
plugins:
  launchpad C:\Program\Bazaar\lib\library.zip\bzrlib\plugins\launchpa
d [unknown]
  multiparent C:\Program\Bazaar\lib\library.zip\bzrlib\plugins\multipar
ent.pyc [unknown]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.

C:\Bazaar>