VMware Cloud Foundation (VCF) 9.1 introduces a wide range of enhancements across the vSphere platform, but many of the most visible improvements arrive through the vSphere Client. From improved Memory Tiering management and GPU device visibility to advanced networking workflows and major usability enhancements, vSphere administrators gain new capabilities that simplify day-to-day operations while improving scalability and efficiency.
Let's explore what's new in the vSphere Client and related infrastructure capabilities in VCF 9.1.
Memory Tiering Gets a Major Usability Upgrade
Memory Tiering continues to evolve as organizations look for ways to optimize memory utilization while controlling hardware costs. With vCenter 9.1, VMware significantly improves the management experience through the vSphere Client.
Enhanced Memory Visibility
A new Memory Tiering view provides administrators with better visibility into memory consumption and tiering performance.
The updated Memory pane now includes:
- Tier 1 memory statistics at both host and cluster levels
- Dedicated memory summary cards
- Simplified monitoring views
- Improved tiering-specific performance graphs
Rather than navigating multiple screens, administrators can quickly understand how memory tiering is performing across their environment.
Simplified Configuration Workflows
Deploying Memory Tiering is now much easier.
Cluster-level configuration has been streamlined into a single workflow that includes:
- Device selection
- Tiering configuration parameters
- Validation and deployment settings
This reduces administrative complexity and helps accelerate adoption of Memory Tiering within production environments.
Improved GPU Passthrough Management
As GPU adoption continues to grow for AI, machine learning, VDI, and HPC workloads, managing passthrough devices becomes increasingly important.
VCF 9.1 significantly improves how GPU passthrough devices are presented within the vSphere Client.
Key Enhancements
- Human-readable device descriptions
- Simplified device naming
- Improved readability for administrators
- Enhanced filtering capabilities
- Faster identification of available passthrough devices
Instead of deciphering hardware identifiers, administrators can now quickly locate and assign the correct GPU resources to virtual machines.
For environments with multiple GPU types and large inventories, this significantly improves operational efficiency.
Advanced VPC Networking Comes to the vSphere Client
One of the most exciting additions in VCF 9.1 is expanded support for VPC networking capabilities directly from the vSphere Client.
These additions bring greater visibility and control over modern network architectures without leaving the vSphere management interface.
Transit Gateway Integration
Administrators can now configure external connectivity through a Transit Gateway from within the vSphere Client.
This enables:
- Centralized external connectivity
- Distributed external connection models
- Flexible VPC connectivity policies
- Simplified network architecture management
The Transit Gateway can connect through a single centralized connection or multiple distributed connections depending on operational requirements.
Traceflow
Network troubleshooting receives a major boost through built-in Traceflow capabilities.
Administrators can:
- Inspect packet paths
- Validate network routing
- Troubleshoot connectivity issues
- Verify network policy enforcement
Traceflow provides visibility into how packets move throughout the virtual network infrastructure, making root cause analysis significantly easier.
Live Traffic Analysis (LTA)
VCF 9.1 also introduces Live Traffic Analysis (LTA).
This capability provides:
- Live packet tracing
- Bidirectional traffic visibility
- Real-time network troubleshooting
- Improved observability
Instead of relying solely on logs or packet captures, administrators gain a live view of network flows directly from the vSphere Client.
Additional VPC Enhancements
To support complete VPC lifecycle management, VMware has also added:
External Connectivity Integration
Allows definition of VPC connectivity policies and external communication paths.
Port Mirroring (SPAN)
Enables traffic monitoring across VPC environments for:
- Troubleshooting
- Security investigations
- Performance analysis
Virtual Network Appliance Clusters (VNAC)
Provides advanced VPC connectivity services through clustered network appliances.
IP Management Capabilities
Administrators can now manage:
- IP address allocation
- DHCP configuration
- Address assignment policies
directly as part of the VPC workflow.
Significant vSphere Client Usability Improvements
VCF 9.1 includes a collection of quality-of-life improvements that administrators will appreciate immediately.
VM Tagging During Provisioning
One common operational task has been streamlined considerably.
When creating, cloning, or deploying virtual machines from templates, administrators can now assign tags directly during the workflow.
Benefits include:
- Faster VM organization
- Improved automation support
- Better governance
- Simplified inventory management
Tagging is now built directly into the Create VM wizard.
Virtual Scrolling
Large environments often contain thousands of inventory objects.
Virtual scrolling eliminates the need to jump between pages when browsing:
- Virtual machines
- Hosts
- Datastores
- Clusters
- Other inventory objects
This creates a much smoother user experience in large-scale deployments.
Automatically Adjustable Columns
Long object names and descriptions can be difficult to read when text wraps across multiple rows.
The vSphere Client now offers:
- Auto-sizing columns
- Improved readability
- Better inventory navigation
- User-selectable display preferences
A small improvement that makes daily administration noticeably easier.
CSV Export for Roles and Permissions
Administrators can now export roles and permissions directly to CSV format.
Supported exports include:
- Global permissions
- vCenter permissions
- Cluster permissions
- ESX host permissions
This simplifies:
- Audit preparation
- Security reviews
- Compliance reporting
- Permission analysis
Additional Interface Improvements
VCF 9.1 also introduces:
- Alphabetical sorting for roles and permissions
- Automatic permission propagation to child objects
- Alphabetical object selection in OVF deployments
- Up to 900 rows per page in Tasks and Events views
- Live event list refresh capabilities
These improvements collectively enhance navigation and reduce administrative effort.
Better Visibility into HA Recovery Events
Troubleshooting host failures and HA recovery processes often requires investigating multiple logs and dashboards.
VCF 9.1 introduces a new Event Tracking page that provides a centralized view of recovery operations.
The interface presents:
- ESX host failure events
- HA decision processes
- VM restart actions
- Recovery timelines
- Correlated infrastructure events
This creates a clear end-to-end view of what occurred during a failure event and helps administrators quickly understand recovery behavior.
Better Alignment Between NSX and vCenter
Organizations frequently integrate NSX and vCenter object structures.
To improve compatibility, VCF 9.1 increases the maximum Folder name length from:
80 characters → 255 characters
This enhancement enables:
- Common object identifiers
- Better naming consistency
- Improved NSX integration
- Simplified automation workflows
It's a small but valuable change for large enterprises with extensive naming conventions.
Faster vCenter Operations at Scale
Scalability remains an important focus area in VCF 9.1.
VMware has improved operational performance, delivering up to:
20% Faster vCenter Operations
Common management activities such as:
- VM power operations
- Host management tasks
- Inventory actions
- Administrative workflows
can now execute significantly faster in large-scale environments.
For organizations operating thousands of virtual machines, these improvements can lead to meaningful time savings.
Content Library Enhancements
Content Library continues to be a core component of image and template distribution.
VCF 9.1 introduces the ability to:
Convert a Subscribed Library into a Published Library
This capability is particularly valuable when retiring or decommissioning a vCenter instance.
Instead of losing the source library, administrators can promote a subscribed library to become the new published library.
Benefits include:
- Improved resiliency
- Protection against content loss
- Simplified migrations
- Business continuity for template distribution
Storage Enhancements in VCF 9.1
Several important storage improvements also appear in this release.
VAAI-NAS Unmap Support for NFS 4.1
Space reclamation is now supported for thin-provisioned NFS 4.1 datastores using VAAI-NAS Unmap.
Advantages include:
- Better storage efficiency
- Automatic space recovery
- Reduced storage waste
- Improved capacity management
Larger NFS Datastore Scale
VCF 9.1 increases host scalability for NFS datastores.
Support now extends to:
256 Hosts per NFS v3 or NFS v4.1 Datastore
This allows organizations to support significantly larger deployments while maintaining centralized storage architectures.
NVMe Stretch Cluster Support
VMware introduces support for NVMe dispersed namespaces, enabling partners to deliver validated NVMe-based stretch cluster solutions.
This enhancement supports:
- High availability
- Geographic resiliency
- Modern NVMe architectures
- Partner-certified storage platforms
iSNS Support for iSCSI
Storage administration becomes simpler with support for the Internet Storage Name Service (iSNS).
Administrators benefit from:
- Automated target discovery
- Simplified iSCSI configuration
- Centralized management
- Reduced manual administration
This improves scalability and streamlines storage provisioning.
Final Thoughts
The vSphere Client enhancements in VCF 9.1 go far beyond cosmetic improvements. VMware has focused on delivering practical features that reduce operational complexity, improve visibility, and enhance scalability across compute, networking, and storage.
From the redesigned Memory Tiering workflows and GPU passthrough improvements to advanced VPC networking tools, Event Tracking, and Content Library resiliency, VCF 9.1 gives administrators more control and better insight into their environments. Combined with faster vCenter operations and expanded storage capabilities, these enhancements make day-to-day management simpler while preparing organizations for increasingly large and complex infrastructure deployments.
For VMware administrators, architects, and operations teams, the vSphere Client in VCF 9.1 represents a meaningful step forward in usability, efficiency, and enterprise-scale management.
