We're using NIS with hamm and slink with no problems. Our NIS server runs on Netware (don't blame me - that's corporate MIS for you!). We did have problems at one stage which meant we had to set the ypserver's address in /etc/yp.conf. Rgds, Andy Chittenden Email: achitten@madge.com Fax: +44 1753 661011 Multimedia Development, Madge Networks Ltd Wexham Springs, Framewood Road, Wexham, Slough SL3 6PJ, England