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The Question is: What version of TCP/IP services is supported on VAX/VMS version 4.5? Customer is required to run 4.5 on an 8250 and add TCP/IP support. The Answer is : The customer's requirements are unfortunately incompatible with support, and the inability to upgrade effectively eliminate most options. VAX/VMS V4.5 was released in 1986. It is obviously long past time to upgrade this system. The VAX/VMS V4.5 operating system version is no longer supported. The ancestral product and its associated oldest version of the TCP/IP Services for OpenVMS package -- the ancestral product was known as the VMS/ULTRIX Connection -- was first available on VAX/VMS V4.7, on MicroVMS V4.7, and on V5.0 and later. The oldest OpenVMS VAX version with a Prior Version Support (PVS) contract presently available is OpenVMS VAX V5.5-2, and there is an associated TCP/IP Services product version (with PVS available). If you must maintain your V4.5 system, you will likely want to provide a network to a system running circa OpenVMS Alpha V7.3 and with TCP/IP Services, and you will want to reach the OpenVMS Alpha system via DECnet Phase IV running on the V4.5 system. (The DECnet full-function key for VAX/VMS V4.x systems is available on the OpenVMS Freeware V5.0 kit.)
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