Windows Azure Connect with Domain Join in multiple VM Role Instances

When you deploy multiple instances to VM Role along with Windows Azure Connect and domain join setting , it may possible that domain join may work in one VM instance but not in others. I happen to worked on such issue and here are the details:


You must collect the diagnostics log in virtual machine where problem occurred along with other machine where it doesn't. To collect diagnostics log in Windows Azure Connect:



After our investigation we found that both instances had same original machine name, when they should have random machine names from
running sysprep /generalize before uploading. It is
possible that you may have missed the “Generalize” checkbox setting during
“Sysprep” your VHD.


  • Please change the VM Role instances names to unique machine name
  • Reboot your Virtual Machine
  • Try Windows Azure connect with Domain Join and it will work

To avoid the above problem all together, please don't forget the check "Generalize" option during Sysprep step as below:


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