Microsoft Graph PowerShell SDK v2.41.0 introduced an isolation change in Microsoft.Graph.Authentication intended to address dependency conflicts when Microsoft 365 PowerShell modules run in the same session. A practitioner reported successful delegated connections to Exchange Online, Graph, and Teams with specific module versions on PowerShell 7.6.6—but that is evidence for one configuration, not a universal compatibility guarantee. As of October 7, 2026, PowerShell Gallery lists Microsoft.Graph 2.41.1 as current.
What changed in Microsoft Graph PowerShell 2.41?
The official v2.41.0 release says it is “Completely isolating Microsoft.Graph.Authentication solving dependency issues.” The release record, published September 30, 2026, credits Stephan van Rooij (@svrooij) for the contribution. The stated purpose is to reduce dependency and assembly-loading conflicts; it does not establish that every clash is fixed for every combination of modules and runtimes.
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The PowerShell Gallery lists Microsoft.Graph 2.41.1 as the current package, last updated October 5, 2026. Its version history lists 2.41.0 as last updated September 29. Those Gallery dates are package-listing dates; the GitHub release record gives September 30 as the v2.41.0 publication date.
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Sources: Microsoft Graph PowerShell release records and PowerShell Gallery package listing.
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Can Graph, Exchange Online, and Teams now coexist in one session?
One independent practitioner report describes successful delegated connections to all three services in the same PowerShell session. The test used PowerShell 7.6.6 with ExchangeOnlineManagement 3.10.1, Microsoft.Graph.Authentication 2.41.0, and MicrosoftTeams 8.0.0. The author reported that the modules connected without the previous assembly-loading conflicts.
This is a useful, version-specific indication that isolation can help with the Microsoft Graph and Exchange module clash, but it is not Microsoft certification or broad testing across module versions, workloads, or PowerShell environments. If your module combination differs, validate it in a representative session before relying on the change in production.
Source: Tony Redmond’s October 5, 2026 practitioner report.
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The practitioner’s initial v2.41.0 testing identified a problem when removing and then reimporting Microsoft.Graph.Authentication within the same session. The report says Microsoft.Graph 2.41.1 fixed that import problem. It also describes a loading issue on older PowerShell 7 versions that remained unresolved in the report; upgrading to 2.41.1 was not reported to fix that runtime issue.
These are reported observations, not a complete list of all possible failures. In particular, a successful initial connection does not prove that a workflow which unloads and reloads modules, or a different runtime and module mix, will behave the same way.
Which version and runtime should you use?
For a new or updated installation
As of October 7, 2026, the Gallery identifies Microsoft.Graph 2.41.1 as current. The dependency-isolation change arrived in 2.41.0, while the practitioner report says 2.41.1 corrected the re-import issue found during testing. Install from the PowerShell Gallery and check the package version in your environment rather than assuming an existing installation has updated:
Install-Module Microsoft.Graph -Repository PSGallery -Scope CurrentUser
Get-InstalledModule Microsoft.GraphThe Graph project also recommends installing scenario-specific modules instead of the full Microsoft.Graph or Microsoft.Graph.Beta bundle when faster installation and import are important. The SDK consists of modules that expose Microsoft Graph API functionality as PowerShell commands; it supports delegated access on behalf of a user and app-only access using an application identity. See the official project repository for installation and usage guidance.
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For mixed Microsoft 365 sessions
Before adopting the change, verify the four details most likely to affect the result:
- The installed Graph package and authentication module versions.
- The PowerShell runtime and version used to launch the session.
- The Exchange, Teams, and other modules loaded into that same session.
- Whether your workflow removes and reimports modules after connecting.
Test the actual sequence your automation uses, not just an isolated Graph connection. Keep separate sessions as a practical fallback if the specific combination you need still produces assembly-loading errors.
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For Windows PowerShell 5.1 environments
Microsoft’s September 16, 2026 announcement set out a 12-month retirement period for Windows PowerShell 5.x support maintenance in Graph PowerShell modules. The announcement said v2.x would continue declaring compatibility with Windows PowerShell 5.1 during that period and would, in most cases, continue functioning in existing environments. However, active development, bug fixes, and validation would target PowerShell 7.x and later; Windows PowerShell-specific issues would no longer be actively investigated or fixed.
The same announcement scheduled v3.0.0 for Q4 2026 and said v3.x would not explicitly support Windows PowerShell 5.x. That was the plan stated on September 16, 2026, not confirmation here that the release or retirement period has since completed. The Microsoft Graph team explained: “Built on modern .NET, PowerShell 7.x resolves many of the underlying assembly-loading and dependency issues that affect Windows PowerShell 5.x today.” This reflects the team’s stated platform direction; it is not a promise that every PowerShell 7 version or module combination is free of conflicts.
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Source: Microsoft Graph team announcement by Barry Gervin, Principal Engineering Manager, and Gavin Barron, Engineering Manager for Microsoft Graph SDKs and Tooling.
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Is this the same as the v1-to-v2 migration?
No. The v2.41 change concerns isolation of the authentication module to address dependency issues. Moving scripts from SDK v1 to v2 is a separate major-version migration that can require code changes. The project’s listed breaking changes include dropped profile support, renamed beta commands, directory-role and entitlement-management commands moving to Identity.Governance, a changed beta namespace, and the Connect-MgGraph AccessToken parameter changing from String to SecureString.
If you are migrating across major versions, review the official v1-to-v2 upgrade guide. Updating within v2 to address the assembly-clash issue does not by itself resolve those migration changes.
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