This normally has nothing to do with clients on workstations. It us usually an indication that the client code (from the TCPMAINT 592) that is accessible to the CMS user is not the same release as the TCP/IP stack. Is it possible that you have a copy of older CMS TCP/IP client code on a shared disk?
____________________________________ Rick Barlow Systems Engineering Consultant Nationwide Services Co., Enterprise Business Intelligence Services Mainframe, z/VM and zSeries Linux Support One Nationwide Plaza 3-25-02 Columbus OH 43215-2220 U.S.A Voice: (614) 249-5213 Fax: (614) 677-7681 mailto:[EMAIL PROTECTED] The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU> wrote on 05/30/2006 09:58:42 AM: > IBMVM@LISTSERV.UARK.EDU > > I've got an emergency here, but I wanted to check with the list > first before contacting IBM > We converted to VM 5.2 over the weekend and things have been running > fairly well. > I'm getting an TCPIP message below" > > DTCREQ077I TCP/IP level (0520) does not match unknown level of > client <userid> > > Then the users seem to drop connection and can't reconnect. > > We use IBM PCOMM as our 3270 product on our pc's > > Has anyone had this problem? > > Thanks, > > Steve
