Exchange Upgrade

until
Planned maintenance

The USPTO will perform a routine upgrade on Exchange from midnight-5 a.m. ET on Thursday, April 3. 

During the upgrade period, the SMTP relay might have intermittent outages.

Last updated: Wednesday, Apr 2, 2025 at 2:44 PM ET
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Past status updates:

- Planned maintenance
- Planned maintenance

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Unless otherwise indicated, all systems should be operating normally.

Issues impacting remote employees are available on the Internal system status platform.

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