[Info-vax] Users of OpenVMS

[Arne Vajhøj]

On 1/30/2015 8:52 PM, johnson.eric at gmail.com wrote:
> On Friday, January 30, 2015 at 7:42:12 PM UTC-5, Arne Vajhøj wrote:
>
>> I am pretty sure that there was only a few hundred thousands VMS sites
>> back in the VMS peak late 80's. And I would expect a pretty big portion
>> of those to have migrated off since then.
>>
>> Something in the 10000 magnitude sounds more realistic.
>
> According to HP, their count of paying customers was around 2500.
>
> http://www.computerworld.com/article/2497657/operating-systems/openvms--r-i-p--1977-2020-.html
>
> Of course that number is a bone of contention around these parts as
> some point out that fails to account for the sites that are front ended
> through resellers.

There must certainly be a number of VMS customers without a
service contract with HP.

But if we say that 50% have a contract with HP, then it only
makes it 5000 sites. Still very few.

Arne