On Fri, 27 Feb 2004, Montervino, Mariano wrote:

> When we activate delay pools users stop authenticating with the domain and a
> error appear in the client browser saying couldnīt retrieve the page and the
> domain\user never appear in the access.log.

Please try upgrading.

As you are having problems and using NTLM then I recommend upgrading to
the nightly 2.5 snapshot as there has been very many NTLM related bugfixes
since 2.5.STABLE4.