The Hybrid Governance Gap – Part 1: Microsoft Purview Challenges in Hybrid Environments

Microsoft Purview has become a leading platform for organizations looking to modernize their information governance and data governance programs. When data lives entirely in Microsoft 365, Purview delivers a connected approach to classification, retention, security, and compliance.

But most organizations are not fully cloud-based.

A large percentage of enterprise data still sits in on-premises file shares, legacy systems, and hybrid environments. And this is where many information governance strategies start to run into problems.

 Extending Microsoft Purview into hybrid environments is not just a technical step. It introduces new challenges that impact identity, infrastructure, performance, and consistency across your data estate. 

The same themes keep coming up. MCS sees it every day working with organizations navigating these hybrid information governance challenges.

In this first post, we are focusing on four foundational challenges that organizations encounter when using Microsoft Purview for information governance in hybrid environments.

Identity is The Backbone of Governance

Who has access to data drives classification, retention, and compliance policies.

In hybrid environments, identity is split between Azure Active Directory and on-premises Active Directory. Even with synchronization in place, alignment is not always clean.

File share permissions do not always match Azure AD identities, and group structures often evolve on a different track over time. As a result, service accounts used for Purview scanning can end up with broader access than intended just to function properly.

Instead of focusing on governance policies, teams often find themselves trying to reconcile identity across systems.

This creates risk and makes it harder to apply consistent data governance controls across both cloud and on-premises data.

Microsoft Purview Scanner Challenges for On-Premises Data

The Microsoft Purview on-premises scanner is designed to connect on-prem data sources to the Purview platform. In practice, it can introduce operational complexity.

Deploying the scanner is only part of the challenge. Maintaining it is where organizations feel the impact.

Teams need to manage scanner placement, service accounts, authentication, and connectivity. Issues related to firewalls, proxies, or network configurations can interrupt scans. When scans fail or produce incomplete results, troubleshooting is not always straightforward.

What is intended to support information governance can quickly become an ongoing infrastructure responsibility.

This becomes especially relevant when evaluating how Purview fits into a broader environment, where scanner deployment needs to align with overall data architecture and governance strategy.

Performance and Scalability in Hybrid Data Governance

Performance is another common challenge when using Microsoft Purview in hybrid environments.

Scanning large on-premises file shares and transmitting metadata to the cloud takes time. Initial scans can take days or longer depending on data volume. Incremental scans reduce how much data needs to be reprocessed, but they still introduce delays.

In distributed environments with remote offices or limited bandwidth, performance becomes even more of a factor.

The result is a gap between policy and visibility. Data governance policies may be defined, but the data being evaluated is not always current.

For organizations trying to maintain real-time insight into their data, this can create significant limitations.

Inconsistent Data Classification Across Hybrid Environments

One of the key benefits of Microsoft Purview is consistent data classification across Microsoft 365. However, that consistency is harder to achieve in hybrid environments.

Classification and labeling capabilities are more advanced in the cloud than they are for on-premises data. Labels do not always translate directly to file shares. Auto-classification is more limited outside of Microsoft 365.

This leads to situations where similar data is classified and governed differently depending on where it resides.

From an information governance perspective, this creates gaps in policy enforcement and increases compliance risk.

(We’ll go deeper into classification gaps and enforcement limitations in Part 2 of this series.)

Closing Thoughts on Microsoft Purview in Hybrid Environments

Microsoft Purview is a powerful platform for information governance, but hybrid environments introduce challenges that organizations need to plan for. 

A lot goes into making a governance program work across cloud and on-premises data. Identity alignment, scanner management, performance limitations, and classification consistency all factor in.

Without addressing these foundational issues, organizations risk building data governance programs that appear complete but operate inconsistently in practice.

In Part 2 of this series, we will look at additional challenges in Microsoft Purview, including file type limitations, enforcement gaps, and retention issues in hybrid environments.