SCVMM 2016,Error (2912) An internal error has occurred trying to contact an agent when creating new VM

To solve this problem you could change the BITS port SCVMM is using during transfers:

1. On your VMM Server open the Registry

2. Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft System Center Virtual Machine Manager Server\Settings

3. Locate BITSTcpPort which should have a value of decimal 443. Change this to some port unused in your environment. (e.g. 8800)

4. Restart Virtual Machine Manager Service so that the change takes effect.

How to increase the timeout for Migration Jobs in System Center 2012 Virtual Machine Manager

To increase the timeout between jobs, follow the steps below:

1. Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft System Center Virtual Machine Manager Server\Settings

2. Create a new DWORD value

3. Set the name to be LiveMigrationQueueTimeoutSecs

4. Set the value to be 00000708 HEX. This will set the Timeout to 30 minutes and is a good place to start. 

5. Restart the VMM service

Error 2912 (0x80070534) happened when a host was added to VMM.

Cause

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The error occurred after the AD service account was renamed, and then the account mismatches with that in VMM registry.

Resolution
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1. Login to VMM server machine, and check the below registry:

     HKLM\Software\Microsoft\Microsoft System Center Virtual Machine manager Server\Setup\VMMerviceAccount

Please make note of the value.

2. Compare it with the account in AD side, and make sure they are matching.