VMware has released Update 1 for its ESXi 4.1 hypervisor and it is ready for download. The following information describes some of the enhancements available in this release of VMware ESXi:

What’s New

The following information describes some of the enhancements available in this release of VMware ESXi:

  • Enablement of Trusted Execution Technology (TXT) — ESXi 4.1 Update 1 can be configured to boot with Intel Trusted Execution Technology (TXT). This boot option can protect ESXi in some cases where system binaries are corrupted or have been tampered with. TXT is currently available on Intel Xeon processor 5600 series servers. For more information, see KB 1033811.
  • Improvement in scalability — ESXi 4.1 Update 1 supports up to 160 logical processors.
  • Support for additional guest operating systems — ESXi 4.1 Update 1 provides support for RHEL 6, RHEL 5.6, SLES 11 SP1 for VMware, Ubuntu 10.10, and Solaris 10 Update 9 guest operating systems. For a complete list of guest operating systems supported in this release, see the VMware Compatibility Guide.
  • Inclusion of additional drivers — ESXi 4.1 Update 1 includes the 3ware SCSI 2.26.08.036vm40 and Neterion vxge 2.0.28.21239-p3.0.1.2 drivers. For earlier releases, these drivers are only available as separate downloads.

Resolved Issues – In addition, this release delivers a number of bug fixes that are documented in the Resolved Issues section.

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