![]() It’s critically important to test your backups on a regular basis. ![]() This one is simple, but often overlooked. Another tip customer learned when they were doing the tenant to tenant migration during the acquisition, if you ask Microsoft via a case in Office 365’s support portal, they can remove some of the throttling constraints to your tenant temporarily so you can move data faster. But in Office 365, the data can only be moved as fast as Microsoft will let you, and they can even throttle you down. With on-prem Exchange, it’s easy to move data quickly. In Office 365, it’s important to remember that resources are not unlimited. #7 Office 365 resources are not unlimited It’s not just about adding a backup, it’s again about evolving and improving your strategy as your environment changes. Basically, they are waiting on the cloud itself to process the data in most of the time. If your storage is slow, Veeam will make sure to out it! Veeam can tell you if the storage repository is underperforming, or if even the source infrastructure is the bottleneck (which is the latency in response from the Office 365 infrastructure). #6 Watch for bottlenecks in your infrastructure, Veeam will expose them! Not only did they help here, but they also provided some tips and tricks for how to improve general, day-to-day maintenance. When they needed advice on planning and scaling due to data growth and the company acquisition, they reached out to the Veeam support team. The value of Veeam support cannot be understated. #5 Veeam support is an invaluable resource This is even something that can be done with the free version, Veeam Backup & Replication Community Edition. So, what they did was protect the JET database itself with Veeam Backup & Replication. If you lose the JET database, you lose your backups. This still need to be protected from corruption on disk, as well as ransomware events and other security threats that can attack it. The JET Blue database isn’t just a simple backup item that sits in a company’s repository, it’s a full archive database storing the retrieved data from Office 365 Exchange Online, SharePoint Online, OneDrive for Business and Microsoft Teams data from a cloud-based instance of Office 365. #4 Protect the JET database used as repository If the proxy is doing the work seamlessly, it should move more data and faster. They strongly encouraged other organizations to do this fine-tuning of proxy threads as it ensures you’ll see better performance. The configuration of how much work the proxy server will do at a given time is super important since it may or may not improve performance for increasing or decreasing threads. This was a big lesson learned, and after this optimization the backups started performing much better as a whole. Breaking this out ensured that SharePoint wasn’t blocked by Exchange, for example, and they could apply more resources to Exchange since it had the bulk of the data and ensure it completed fast. Soon they scaled to five proxies, strategically spread across different portions of the Office 365 environment. While this was a good way to start, it wasn’t going to cut it long term, especially with the acquisition on the horizon. One VBO backup, one proxy server, and a simple SMB share repository on a storage server. Prior to the acquisition, they started with a simple backup configuration. ![]() They were now looking at an extended use case including tens of TBs of email data (some structured, some not) that they had to find a way to size it appropriately to successfully back it all up. About six months later, they had to massively scale their environment due to a company acquisition that added 25% more users, but more importantly, many more applications from the Microsoft stack (Teams, OneDrive, SharePoint, Dynamics, Power BI) and users that had unlimited retention settings. Their retention policies were set to 15 months on all those 2,000+ users, and their organization only utilized Exchange and Skype. When they originally migrated to Office 365, they had about 2,200 users and 40TB of data. #1 When your environment is changing, change with it! Here’s a summary of what they had to say. A simple slide but packed with over 18 months of experience.
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