Fix Microsoft Purview PST Import Stuck at 61 Percent During Analysis
Question details
A Microsoft Purview PST import batch hangs at 61 percent progress during the analysis phase.
- Product
- Microsoft Purview
- Device & OS
- not provided
- Scenario
- Migrating email data using PST import batches in Microsoft Purview.
- Observed behavior
- The PST import batch process gets permanently stuck at 61 percent completion during the analysis stage, regardless of the batch size, even after clearing the browser cache.
Ensure you have allowed sufficient time for Azure background processing to attempt an auto-recovery before manually canceling the import job.
Verify Import Details and Split the PST Batch
Check the exact point of failure in the mailbox details and reduce the PST batch size to bypass Azure processing bottlenecks.
Because the Microsoft Purview PST import process relies on background processing in Azure, large batches or specific corrupted items can sometimes cause the analysis phase to timeout or hang. Splitting the files mitigates this server-side issue.
Navigate to the Purview compliance portal, select your import job, and click 'View Details' to check the specific import status and identify any file errors.
Sign in to the destination mailbox to check if any portion of the PST file has already been imported successfully before the freeze occurred.
If the batch is hopelessly stuck, cancel the current import job and split your large PST files into smaller, manageable groups for separate analysis.
Upload the newly separated PST batches and restart the analysis process for each one individually.
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Frequently Asked Questions
Why does the Microsoft Purview PST import get stuck exactly at 61 percent?
The 61 percent mark typically represents a specific transition phase in Azure where the analysis of PST file items is queued or indexed. Delays at this exact percentage are often due to server-side backend processing bottlenecks or corrupted items within the batch.
Can I just restart the PST import process immediately after it hangs?
Since the processing occurs in the background on Azure, immediate restarts can be tricky and may fail to initialize properly. It is recommended to check 'View Details' first, wait for any background tasks to time out, and then attempt a restart.
How small should I make my PST batches to prevent the analysis from freezing?
While there is no strict rule, breaking large PST files down into smaller batches of 2 GB to 5 GB can significantly reduce processing errors and prevent the analysis from hanging during the Azure ingestion process.
