Additional System Center tools and components for managing infrastructure, applications, and services
The behavior matches the Microsoft account primary-alias change limit.
What is supported:
- Go to account.microsoft.com or the Microsoft account site.
- Open Your info.
- Select Manage how you sign in to Microsoft.
- Confirm that the new address is listed under Account aliases.
- Select Make primary next to the new alias.
Important limits and rules:
- If the system shows “We’re limiting the number of times you can change your primary alias. Please try again next week.”, the restriction may remain longer than 7 days depending on recent account activity or changes.
- If it still does not clear after additional time, one reported workaround is to remove and re-add the alias, then try setting it as primary again.
- An alias cannot be added if that email address is already associated with another Microsoft account.
- Personal Microsoft accounts and work or school accounts cannot be merged.
If the issue is caused by the new primary alias matching an existing work or school account, Microsoft Support documents these options:
- Add another alias and make that one primary.
- If the conflicting address is a work email currently attached to the personal Microsoft account, set a personal address as primary and remove the work email alias.
If the old address will soon be unavailable, make sure another working alias is already added and verified before removing anything.
If self-service still fails, use the Outlook.com support path or the Outlook.com Community.
References:
- "Something went wrong" with error ADDriverStoreAccessNonLocalException | Microsoft Support
- Microsoft Account: Not possible to change primary mailadress: Try next week... (no 365 or office) - Microsoft Q&A
- Unable to link account to my account - Microsoft Q&A
- Which account do you want to use? | Microsoft Support
- Send email from a different address in Outlook.com | Microsoft Support