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Quick Tip – Connect-OMServer throws The request was aborted: Could not create SSL/TLS secure channel.

02/23/2017 by William Lam 2 Comments

While doing some work with PowerCLI and vRealize Operations Manager (vROps), I ran into the following error message when trying to connect to my vROps instance using PowerCLI:

Connect-OMServer : 2/17/2017 5:27:50 AM Connect-OMServer The request was aborted: Could not create SSL/TLS secure channel.
At line:1 char:1
+ Connect-OMServer -Server vrops.primp-industries.com -User admin -Password VMware ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (VMware.VimAutom...tionServiceImpl:OMConnectionServiceImpl) [Connect-OMServer], OMException
+ FullyQualifiedErrorId : OM_ConnectivityServiceImpl_ConnectOMServer_ByUserNameAndPassword_ConnectError,VMware.VimAutomation.vROps.Commands.Cmdlets.ConnectOMServer

Although there were some hits on Google, none of the suggestions has worked. I had also found that this issue was only happening in one of my lab environments which was running Windows 2008 R2, for my other system which had Windows 8.1, the issue was not observed.

I had reached out to the PowerCLI Engineering team and it looks like the issue is due to a change in the hashing algorithm (SHA512) that vROps uses for its SSL Certificates. When using TLS 1.2, SHA512 is not supported by default. The fix is to simply install the following patch here which will resolve the problem.

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Filed Under: Automation, PowerCLI, vRealize Suite Tagged With: PowerCLI, SHA512, TLS 1.2, vRealize Operations Manager

Extracting VIN (vSphere Infrastructure Navigator) information using PowerCLI & vROps REST API

02/22/2017 by William Lam 1 Comment

A request that I continue to receive from customers on a fairly regular basis is a way to extract the virtual machine application services and dependencies that is provided by vSphere Infrastructure Navigator (VIN) solution. Below is an example of what a VIN discovery might look like and in this case, it is actually mapping out the application and dependencies of itself.


Today, there is not a public API for VIN and although I have published several methods here, here and here on how to extract the information from VIN, the experience is still not very user friendly or easy to do.

Last week, while talking to a fellow colleague who works in our VMware Validated Design team, I found out that VIN actually has a vRealize Operations Manager (vROps) Management Pack and could potentially be useful in helping us retrieve the information generated by VIN.


Not having spent much time with vROps Management Packs, I understood at a high level they provided custom dashboards for vROps, but I was not sure if the data provided by the management packs could also be retrieved programmatically? It has also been some time since I have looked at the vROps REST API and specifically the "public" REST API which allows customers to retrieve the metrics collected from within vROps.

[Read more...] about Extracting VIN (vSphere Infrastructure Navigator) information using PowerCLI & vROps REST API

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Filed Under: Automation, PowerCLI, vRealize Suite Tagged With: infrastructure navigator, PowerCLI, vIN, vRealize Operations Manager, vROps

Exploring new VCSA VAMI API w/PowerCLI: Part 8

02/14/2017 by William Lam 4 Comments

In Part 8, we are going to take a look how services are managed in a VCSA or PSC node which is provided by the vCenter Server Lifecycle Management system also referred to internally as vMon. You can interact with the vMon service using either the service-control utility which is only available via SSH or the VAMI APIs which are available remotely. As you probably have guessed, we will be using the VAMI APIs 🙂

VAMI UI Area of Focus

There is not a service view in the VAMI UI (https://[VCSA]:5480) for either the VCSA or PSC. However, this information is available as part of the VAMI information when logged into the vSphere Web Client by navigating to System Configuration->Nodes->Related Objects or System Configuration->Services.

VAMI APIs Used

  • GET /appliance/vmon/service
  • POST /appliance/vmon/service/start
  • POST /appliance/vmon/service/stop

PowerCLI Function

  • Get-VAMIService
  • Start-VAMIService
  • Stop-VAMIService

Sample Output

The Get-VAMIService will lists all available services for the given VCSA or PSC node that you are connected to. It provides the exact same output that you would see in the vSphere Web Client such as the name of the service, the current state, the health and whether the service is disabled or configured to start up automatically or manually.


The function also accepts a name parameter if you know the specific service you wish to query, for example here is the syntax for checking the Auto Deploy service which is named rbd:

Get-VAMIService -Name rbd

We can use the Start-VAMISerivce function and given a service name, we can start it as shown in the screenshot below.


Similialy, we can use the Stop-VAMISerivce function and given a service name to stop the service as shown in the screenshot below.

  • Exploring new VCSA VAMI API w/PowerCLI: Part 1
  • Exploring new VCSA VAMI API w/PowerCLI: Part 2
  • Exploring new VCSA VAMI API w/PowerCLI: Part 3
  • Exploring new VCSA VAMI API w/PowerCLI: Part 4
  • Exploring new VCSA VAMI API w/PowerCLI: Part 5
  • Exploring new VCSA VAMI API w/PowerCLI: Part 6
  • Exploring new VCSA VAMI API w/PowerCLI: Part 7
  • Exploring new VCSA VAMI API w/PowerCLI: Part 8
  • Exploring new VCSA VAMI API w/PowerCLI: Part 9
  • Exploring new VCSA VAMI API w/PowerCLI: Part 10
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Filed Under: Automation, PowerCLI, vSphere 6.5 Tagged With: PowerCLI, vami, vcenter server appliance, VCSA 6.5, vSphere 6.5

Exploring new VCSA VAMI API w/PowerCLI: Part 7

02/07/2017 by William Lam Leave a Comment

In the previous article (Part 6), we demonstrated how you can easily associate the list of VMDKs to their respective OS partitions within a VCSA or PSC node, which is useful when you need to increase the disk capacity for a specific OS partition. In Part 7, we are now going to drill down a bit further into the underlying filesystem and retrieve both the storage capacity as well as utilization of each partition.

VAMI UI Area of Focus

There is not a granular view of the individual OS partitions within the VAMI UI (https://[VCSA]:5480). However, this information is available as part of the VAMI information when logged into the vSphere Web Client by navigating to System Configuration->Nodes->Monitor->Storage as shown in the screenshot below.


The workflow for retrieving the storage statistics using the VAMI APIs is also applicable for retrieving other statistics such as compute, memory and networking. You first need to retrieve the list of VAMI Statistic IDs that are available from the monitoring API endpoint which is demonstrated with the Get-VAMIStatsList function. From each VAMI Stat ID, you can also drill down further to get more details such as description and the unit of measurement. Once you have the Stat IDs that you are interested in, you can then perform a query based on a specific set of search criteria which can be time range (start and stop time), interval, etc. To demonstrate how the query API works, I have created the Get-VAMIStorageUsed function to demonstrate its usage.

VAMI APIs Used

  • GET /appliance/monitoring
  • GET /appliance/monitoring/query

PowerCLI Function

  • Get-VAMIStatsList
  • Get-VAMIStorageUsed

Sample Output

The first function Get-VAMIStatsList does exactly as it sounds, it simply lists all VAMI Stat IDs that are available. Most of the Stat ID names are pretty descriptive but you can always retrieve more information by performing a GET on /appliance/monitoring/[VAMI-STAT-ID].


As stated in the beginning, we are interested in the grabbing the storage stats. The Get-VAMIStorageUsed function takes a subset of the VAMI Stats ID, specifically the storage ones that map to the OS partitions and retrieves both the total and used capacity (MB) as shown in the screenshot below.

  • Exploring new VCSA VAMI API w/PowerCLI: Part 1
  • Exploring new VCSA VAMI API w/PowerCLI: Part 2
  • Exploring new VCSA VAMI API w/PowerCLI: Part 3
  • Exploring new VCSA VAMI API w/PowerCLI: Part 4
  • Exploring new VCSA VAMI API w/PowerCLI: Part 5
  • Exploring new VCSA VAMI API w/PowerCLI: Part 6
  • Exploring new VCSA VAMI API w/PowerCLI: Part 7
  • Exploring new VCSA VAMI API w/PowerCLI: Part 8
  • Exploring new VCSA VAMI API w/PowerCLI: Part 9
  • Exploring new VCSA VAMI API w/PowerCLI: Part 10
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Filed Under: Automation, PowerCLI, vSphere 6.5 Tagged With: PowerCLI, vami, vcenter server appliance, VCSA 6.5, vSphere 6.5

Exploring new VCSA VAMI API w/PowerCLI: Part 6

02/02/2017 by William Lam Leave a Comment

In Part 6, we will take a look at how we can use the new VAMI APIs to easily associate the underlying VMDKs to their respective OS disk partitions for a VCSA or PSC node. In addition, the workflow of increasing the disk capacity for a specific partition has also been simplified further with the new VAMI APIs. After increasing the specific VMDK size, we can now also trigger the partition resize operation using the VAMI APIs, where as before this used to be a manual task that required SSH access. In vSphere 6.5, there have been a few minor changes to the VCSA's VMDK layout and sizes, for more details, please have a look at this blog post here.

VAMI UI Area of Focus

Unfortunately, there is not a page within the VAMI UI (https://[VCSA]:5480) that either lists or provides the actual mapping of the underlying VMDKs to their respective partition types. You can see the different VMDKs using the vSphere Web/C# Client, but historically the mapping of VMDK to partition type was done manually or you would refer to the table found in the blog post referenced above. Lets see if we can pull this information without needing to go to a UI 🙂

VAMI APIs Used

  • GET /appliance/system/storage
  • POST /appliance/system/storage/resize

PowerCLI Function

  • Get-VAMIDisks
  • Start-VAMIDiskResize

[Read more...] about Exploring new VCSA VAMI API w/PowerCLI: Part 6

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Filed Under: Automation, PowerCLI, vSphere 6.5 Tagged With: PowerCLI, vami, vcenter server appliance, VCSA 6.5, vSphere 6.5

Exploring new VCSA VAMI API w/PowerCLI: Part 5

02/01/2017 by William Lam 1 Comment

In Part 5, we are now going to have a look at networking section of the VAMI UI.

VAMI UI Area of Focus

In the Networking tab, under the "Manage" sub-tab, you can find details about the system Hostname (PNID), DNS servers as well as the configurations for each network interface (in the case of a VCHA deployment, you would have more than one network interface configured).

VAMI APIs Used

  • GET /appliance/networking/dns/hostname
  • GET /appliance/networking/dns/servers
  • GET /appliance/networking/interfaces
  • GET /appliance/techpreview/networking/ipv4

PowerCLI Function

  • Get-VAMINetwork

Sample Output


This sample script only retrieves IPv4 networking information, but you can easily retrieve IPv6 information by calling into the IPv6 VAMI API endpoints which you can refer to the documentation or the API Explorer for more details.

  • Exploring new VCSA VAMI API w/PowerCLI: Part 1
  • Exploring new VCSA VAMI API w/PowerCLI: Part 2
  • Exploring new VCSA VAMI API w/PowerCLI: Part 3
  • Exploring new VCSA VAMI API w/PowerCLI: Part 4
  • Exploring new VCSA VAMI API w/PowerCLI: Part 5
  • Exploring new VCSA VAMI API w/PowerCLI: Part 6
  • Exploring new VCSA VAMI API w/PowerCLI: Part 7
  • Exploring new VCSA VAMI API w/PowerCLI: Part 8
  • Exploring new VCSA VAMI API w/PowerCLI: Part 9
  • Exploring new VCSA VAMI API w/PowerCLI: Part 10
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Filed Under: Automation, PowerCLI, vSphere 6.5 Tagged With: PowerCLI, vami, vcenter server appliance, VCSA 6.5, vSphere 6.5

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Author

William Lam is a Staff Solution Architect working in the VMware Cloud on AWS team within the Cloud Platform Business Unit (CPBU) at VMware. He focuses on Automation, Integration and Operation of the VMware Software Defined Datacenter (SDDC).

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