Yet Another IT Professional Blog

Problem Description; I had this issue on one of my backup jobs recently and I was able to fix the issue with the solution explained below. After a quick google search, I realized that I'm not the only one and neither you are :) Full Error Description; Failed to prepare guest for hot backup. Error: VSSControl: Failed to prepare guest for freeze, wait tim eout 9 00 sec Error: VSSControl: Failed to prepare guest for freeze, wait timeout 900 sec

Problem: When Veeam backup job is running for a SQL server VM and the "application aware processing" is activated on the job Veeam is not capable of using the VSS Writers to backup the databases. Instead, Veeam will proceed with a full backup. The disadvantage is when you need to restore backups in crash-consistent state, you won't be able to recover just the application items (databases, mailboxes, AD objects, etc...), you'll have to do a full restore or just OS files but no application objects recovers. Notes: Veeam even has a KB article for the issue. https://www.veeam.com/kb2095 Most of the time, it looks like it's a database naming issue. If your database names contains spaces in them, Veeam is not able to use the SQL VSS Writers. I strongly suggest that you go trough that article before trying the solution found here. However, in my case, none of the solutions worked from veeam's article. Solution: I had to login to my SQL server and under...

Problem : Windows Image Backup is failing while backing up a drive. In my case, it was a "bare metal" backup scenario. You may also find the following error in the "Event Viewer" under "Applications and Services Log, Microsoft, Windows, Backup" "The backup operation that started at '‎2014‎-‎05‎-‎13T16:49:41.618242900Z' has failed with following error code '0x807800C5'