I am running a trial version of IBM Security Verify Privilege Vault. I am trying to configure Privilege Vault to rotate VMware credentials. I'm finding the heartbeat is failing with the following error:
```
Exception: Could not load file or assembly 'VMware.Binding.Wcf, Version=13.0.0.5029, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
```
After a bit of troubleshooting, I was able to overcome the issue by manually installing PowerCLI v11.4.0 using the following instructions:

Install PowerCLI Offline

The Heartbeat is now working, yay! But, RPC is not. When I attempt an RPC I get the following error in the portal UI:
```
Full name: ThycoticSystem
Action: SECRETPASSWORDCHANGE
Notes: Exception has been thrown by the target of an invocation.
```
When looking at the DE server I am not seeing any errors in the Windows Event logs. When I look in the DE logs, I see the following error:
```
2022-12-16 03:27:10,834 [CID:] [C:] [TID:PriorityScheduler Thread @ Normal] INFO Thycotic.DE.Feature.SS.PasswordChanging.Areas.SecretBasicChangePasswordConsumer - Got a basic change password request for Secret Id 161: - (null)
2022-12-16 03:27:11,975 [CID:] [C:] [TID:PriorityScheduler Thread @ Normal] ERROR Thycotic.PasswordChangers.VMWare.VmWareBasicChangeInfo - VMWare unknown error: Exception has been thrown by the target of an invocation. - (null)
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentNullException: Value cannot be null.
Parameter name: moRef
at VMware.Vim.VimClientImpl.GetView(ManagedObjectReference moRef, String[] properties)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Thycotic.PasswordChangers.VMWare.VimClientWrappers.VimClientWrapper.UpdateUser(String usernameToChange, String newPassword)
at Thycotic.PasswordChangers.VMWare.VmWareHelper.SetPassword(String host, String usernameToConnectWith, String passwordToConnectWith, String usernameToChange, String newPassword, Int32 port, TlsConfiguration tlsConfiguration)
```
Any ideas on what I should do next to troubleshoot?

------------------------------
Timothy
------------------------------

So it seems as though RPC is limited to local accounts on vSphere hypervisors. You cannot rotate vCentre accounts.

------------------------------
Timothy
------------------------------

Original Message:
Sent: Thu December 15, 2022 10:33 PM
From: Timothy Dilbert
Subject: Receiving "Could not load file or assembly 'VMware.Binding.Wcf'" error during VMware credential heartbeat

I am running a trial version of IBM Security Verify Privilege Vault. I am trying to configure Privilege Vault to rotate VMware credentials. I'm finding the heartbeat is failing with the following error:
```
Exception: Could not load file or assembly 'VMware.Binding.Wcf, Version=13.0.0.5029, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
```
After a bit of troubleshooting, I was able to overcome the issue by manually installing PowerCLI v11.4.0 using the following instructions:

Install PowerCLI Offline

The Heartbeat is now working, yay! But, RPC is not. When I attempt an RPC I get the following error in the portal UI:
```
Full name: ThycoticSystem
Action: SECRETPASSWORDCHANGE
Notes: Exception has been thrown by the target of an invocation.
```
When looking at the DE server I am not seeing any errors in the Windows Event logs. When I look in the DE logs, I see the following error:
```
2022-12-16 03:27:10,834 [CID:] [C:] [TID:PriorityScheduler Thread @ Normal] INFO Thycotic.DE.Feature.SS.PasswordChanging.Areas.SecretBasicChangePasswordConsumer - Got a basic change password request for Secret Id 161: - (null)
2022-12-16 03:27:11,975 [CID:] [C:] [TID:PriorityScheduler Thread @ Normal] ERROR Thycotic.PasswordChangers.VMWare.VmWareBasicChangeInfo - VMWare unknown error: Exception has been thrown by the target of an invocation. - (null)
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentNullException: Value cannot be null.
Parameter name: moRef
at VMware.Vim.VimClientImpl.GetView(ManagedObjectReference moRef, String[] properties)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Thycotic.PasswordChangers.VMWare.VimClientWrappers.VimClientWrapper.UpdateUser(String usernameToChange, String newPassword)
at Thycotic.PasswordChangers.VMWare.VmWareHelper.SetPassword(String host, String usernameToConnectWith, String passwordToConnectWith, String usernameToChange, String newPassword, Int32 port, TlsConfiguration tlsConfiguration)
```
Any ideas on what I should do next to troubleshoot?

------------------------------
Timothy
------------------------------