vSphere 6.7 U1 and Veeam Backup 9.5 U3a

Failed Backup Jobs after Update to vSphere 6.7 U1

On October 16th 2018 vSphere 6.7 Update 1 became available. An update we’ve been desperately waiting for. Finally vSphere-Client (HTML5) has become fully functional. Until that some tasks had to be done with the infamous flash client.

Unfortunately problems emerged soon after users updated their clusters to vSphere 6.7 U1 in combination with Veeam Backup jobs.


VMware and Veeam worked hard to identify the root cause of the problem. It turned out that there was a change in the vSphere API which caused communication issues with Veeam Backup.

Latest API version is 6.7.1, but this one seems to be incompatible with Veeam Backup 9.5 U3a. According to Veeam sources, the issue will be settled with the soon to come Veeam Backup Update 4.

For all of those who have already updated their clusters to vSphere 6.7 U1 there’s a workaround. You need to enter a registry key to force Veeam Backup using the older API 6.7.

Warning! This solution is not recommended by Veeam Support. If you’re not yet on vSphere 6.7 U1 and you’re using Veeam Backup, you better wait until release of Veeam Backup 9.5 Update 4. Do not upgrade. Read this passage again!

The workaround outlined below has to be reverted as soon as Veeam 9.5 Update 4 is available.

HKLM\SOFTWARE\Veeam\Veeam Backup and Replication

You need to add a multi-string-value (REG_MULTI_SZ). Enter the Value below:

6.7.1 = 6.7

This registry key forces Veeam Backup to use API 6.7, but might lead to other yet unknown problems. But it enables to run your Veeam Backup jobs again.

Veeam: Ticket givaways to VMworld Barcelona and AWS re:Invent 2018

Win a ticket to one or two conferences in November

In November there are two major conferences you can’t afford to miss.

  • VMworld EU 2018 in Barcelona (5.-8. Nov 2018)
  • AWS re:Invent in Las Vegas (26.-30. Nov 2018)

These conferences are quite expensive (re:Invent 1799$ and VMworld 1475€).

Wouldn’t it be great to go there for free? It’s possible if you’re lucky and win one of the tickets Veeam gives away.

Join Veeam in Barcelona

Win one of 5 full-conference tickets to VMworld Barcelona 2018.

Just register for the chance to win a free conference pass worth 1475 €.

Three trips to AWS re:Invent 2018

Veeam also gives away three full-conference tickets and three gift cards for hotel accommodations to AWS re:Invent in Las Vegas. Register on the Veeam page and get the chance to win.

VeeamON Virtual Event – save the date

Virtual Online-Conference on Dec. 5th 2018

2018 VeeamON took place in Chicago. Not everybody had the time or funding to go there. But there’s good news. Like in the years before there’ll be a virtual conference that makes it easy to attend. Join VeeamON Virtual 2018 from your desk, couch or garden hammock.

It’s been a pleasure being media partner for the event last year. And so I will join this year’s event too. Stay tuned!


Grab your virtual seat and save the date on December 5th 2018. Registration is free but priceless.