– Ubuntu 18.04.1 LTS with service and Ubuntu 16.04.6 LTS with service. 

– The support statements for z15 also coverthe KVM hypervisor on distribution levels that have KVM support. 

For more information about the minimum required and recommended distribution levels, see the IBM Z website. 

## 6.8.3 Crypto Express7S support of greater than 16 domains 

The following prerequisites must be met to support more than 16 domains: 

GLYPH<SM590000> z/OS V2.4$^{8}$ with PTFs 

GLYPH<SM590000> z/OS V2.3 with PTFs 

GLYPH<SM590000> z/OS V2.2 with the Enhanced Cryptographic Support for z/OS V1.13-V2.2 Web deliverable installed 

GLYPH<SM590000> z/VM V7.1 for guest use 

GLYPH<SM590000> z/VM V6.4 with PTFs for guest use 

GLYPH<SM590000> z/VSE V6.2 with PTFs 

GLYPH<SM590000> Linux on IBM Z: 

– SUSE SLES 15 SP1 with service, SUSE SL ES 12 SP4 with service, and SUSE SLES 11 SP4 with service. 

– Red Hat RHEL 8.0 with service, Red Hat RHEL 7.7 with service, and Red Hat RHEL 6.10 with service. 

– Ubuntu 18.04.1 LTS with service and Ubuntu 16.04.6 LTS with service. 

– The support statements for z15 also coverthe KVM hypervisor on distribution levels that have KVM support. 

For more information about the minimum required and recommended distribution levels, see the IBM Z website. 

For more information about the software support levels for cryptographic functions, see Chapter 7, “Operating system support” on page 255. 

