Hi Omar Ibrahem,
Thanks for reaching out and we are happy to assist you.
Please try following steps to resolve the issue.
Step 1: Please try to update all your hardware driver and firmware.
You find the details of installable for serve 2012 R2 in following link.
https://social.technet.microsoft.com/wiki/contents/articles/20885.hyper-v-update-list-for-windows-server-2012-r2.aspx
Step 2: Please try the following example command to confirm your Hyper-V service is running or not C:\Users\Administrator>sc queryex vid C:\Users\Administrator>sc queryex vmbus
Step 3: 15130 - This event is logged when failed to start the virtual machine.
Retry virtual machine start. Please follow the instructions in below link.
https://kb.eventtracker.com/evtpass/evtpages/EventId_15130_Microsoft-Windows-Hyper-V-VMMS_63081.asp
Step 4: There may be some issues and the Hypervisor "forgot" to start automatically, you can try to use the following command in an elevated command prompt: BCDEDIT /Set {current} hypervisorlaunchtype auto Kindly feel free to get back with additional logs, incase your issue still exists.
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