How to Upgrade the Distribution Group version from Exchange 2003 to Exchange 2010 for All Objects

In my Exchange environment, I have thousands and thousands of distribution groups, all of which needed to be upgraded to the latest Exchange version so that they could be easily managed in the Exchange Management Console by our help desk.

Not wanting them to have to manually upgrade each one as they came across them, I looked for a way to upgrade all of them all at once. It’s actually quite simple, just run the command below… it simply retrieves each Distribution Group and then runs the “Set” command against it. It doesn’t actually make any modifications to the object though, it just upgrades it to the latest version.

get-DistributionGroup | set-DistributionGroup
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About Rebecca Harness

Rebecca Harness is a Business Information Security Officer (BISO) for a publicly-traded, global information solutions company. As BISO, she champions security initiatives and recommends strategies to mitigate risk, facilitating innovation and new product development. She’s also responsible for representing the business unit’s security program in client facing engagements, conferences, and industry forums. Prior to her current role, she was an influential cybersecurity leader for one of the world’s largest transportation providers, known for transforming information security efforts into well-orchestrated programs. There, she developed an innovative methodology for delivering key information security priorities as a service model, leading to quicker adoption enterprise-wide while significantly reducing operational costs. She also led and modernized their global, multi-brand PCI Assessment and other compliance initiatives. In the early 2000’s, Rebecca developed one of St. Louis' leading Managed Services Providers from a startup in a spare bedroom into a mature consulting company with 30+ employees and 150+ clients in the Greater St. Louis Area. Rebecca holds many certifications, including; ISACA Certified Information Systems Auditor (CISA); ISC2 Certified Information Systems Security Professional (CISSP); and GIAC Security Leadership Certified (GSLC). She’s also a proud alumni of Hastings College and a longtime member of the Society of American Magicians.

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