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Entra Connect Synchronization of SharePoint Proxy Addresses
Question details
The user is inquiring about the synchronization process of local Active Directory proxyAddresses to Entra ID and its potential impact on Microsoft 365 services like SharePoint and OneDrive in a non-Exchange environment.
- Product
- Microsoft Entra Connect
- Device & OS
- not provided
- Scenario
- Managing directory synchronization and modifying proxyAddresses without an on-premises Exchange environment.
- Observed behavior
- Seeking information on how proxy address modifications affect SharePoint and OneDrive services post-synchronization.
Before making changes to your local Active Directory attributes, ensure you have a recent backup of your directory and understand the synchronization rules configured in your Microsoft Entra Connect environment.
Consult the Microsoft Entra ID Support Channel
Because Entra Connect Sync involves complex directory infrastructure, questions regarding it should be directed to specialized support engineers rather than general Microsoft 365 forums.
The standard Microsoft 365 and Office forums primarily focus on end-user application features. Directory synchronization issues require backend infrastructure expertise.
By posting in the dedicated Microsoft Entra ID section, you will connect with specialists who can accurately explain how proxy addresses are created, linked, synchronized, and safely modified without negatively impacting SharePoint or OneDrive.
Open your web browser and go to the official Microsoft Q&A platform.
Filter the tags or navigate to the 'Microsoft Entra ID' section to ensure your question reaches the right experts.
Post your question detailing your non-Exchange environment setup and your concerns regarding the proxyAddresses attribute synchronization.
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Frequently Asked Questions
Does modifying a user's proxyAddresses attribute affect SharePoint Online access?
Changes to proxyAddresses synchronized via Entra Connect can update a user's identity claims in Microsoft 365, which may temporarily affect user mapping in SharePoint Online if the primary email address or UPN is altered during the process.
Can I manage Microsoft 365 proxy addresses without an on-premises Exchange server?
Yes, in a directory-synchronized environment without an on-premises Exchange server, you can manage proxy addresses by directly editing the proxyAddresses attribute via Active Directory Users and Computers (ADUC) or PowerShell.
How often does Microsoft Entra Connect synchronize local AD changes to the cloud?
By default, the Microsoft Entra Connect sync cycle runs every 30 minutes, meaning changes to the proxyAddresses attribute will reflect in Microsoft 365 within that timeframe.
