We are using a single windows 2000SBS and exchange for the past couple of years. Everything has been working fine until this morning. I have looked in the Event Application Log and notice that we are getting hundreds of the same error listing every couple of seconds. The error reads :-
Event ID 14120
The ISA Server Services cannot create a packet filter 18.104.22.168....................
The issue which drew my attention to this was that we could not send out any e-mail. E-mail was being received OK. I have resolved this issue, by re setting the SMTP mail server location within the SMTP connector, but the error messages described above continue to register.
I have seen a few postings here which talk of 2 network cards etc, but this is a problem which has just occured having been working fine for months. Everything seems to be working OK, but I don't like all of these messages springing up from nowhere!
Does anone have any ideas where to start?