Please let us know if you get it working - I might have to add such a check soon as well. To answer your question: 1433 is the standard port of MSSQL so that should be ok. You can launch nmap or a simple telnet to double-check that. <div class="gmail_quote">On Thu, Nov 17, 2011 at 4:34 PM, Jim Avery <<a href="mailto:jim@jimavery.me.uk">jim@jimavery.me.uk</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div class="im">On 17 November 2011 15:17, Kaplan, Andrew H. <<a href="mailto:AHKAPLAN@partners.org">AHKAPLAN@partners.org</a>> wrote: > Hi there -- > > Thanks for your reply. I tried your suggestion on the two plugins, and here are > the results. > > When the command syntax for check_mssql was the following: > > ./check_mssql -H <ip address> -U <domain>\\<username> -P <password> > > or > > ./check_mssql -H <ip address> -U '<domain>\\<username>' -P <password> > > The error message displayed on-screen was: > > UNKNOWN: Invalid characters in the username. </div>The check_mssql plugin is way too fussy about what characters it will allow in host names and user names. On my system I edited the plugin to remove the if/else sections entirely below the comments "// Validate the hostname" and "// Validate the username". hth, Jim <div><div></div><div class="h5"> ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. <a href="http://p.sf.net/sfu/splunk-novd2d" target="_blank">http://p.sf.net/sfu/splunk-novd2d</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </div></div></blockquote></div>