How to Fix SharePoint Server Critical Events After the July 2025 Updates

This section introduces the core issue administrators face following the mid-year patch cycle. It will explain the symptoms of the event log errors, affected server roles, and set the stage for exploring the top solutions on fixing SharePoint Server Critical Events After the July 2025 Updates.

5 Ways to Fix SharePoint Server Critical Events After the July 2025 Updates

1. Re-provisioning the Distributed Cache Service

• Often the most common cause of authentication and performance drops when addressing fixing SharePoint Server Critical Events After the July 2025 Updates.
• Uses PowerShell (Remove-SPDistributedCacheServiceInstance and Add-SPDistributedCacheServiceInstance) to rebuild the cache cluster without data loss.
• Resolves Event ID 6398 and 8059 instantly; requires zero server reboot.
• Temporarily drops active user sessions during the restart sequence.

2. Updating the Application Pool Identity Permissions

• The July security patch alters default IIS permissions, making this a critical step in fixing SharePoint Server Critical Events After the July 2025 Updates.
• Re-granting db_owner and securityadmin rights in SQL Server to the farm account, and verifying local policy rights (Log on as a batch job).
• Permanently fixes timer job failures and access denied errors in the ULS logs.
• Requires database administrator intervention if SQL Server is managed by a separate team.

3. Clearing the SharePoint Configuration Cache

• Corrupted cache XML files prevent the patch from finalizing, representing a mandatory phase of fixing SharePoint Server Critical Events After the July 2025 Updates.
• Stopping the SharePoint Timer Service, deleting all XML files in the ProgramData\Microsoft\SharePoint\Config GUID folder, and resetting the cache.ini file.
• Forces all farm servers to pull fresh configuration data from the central admin database.
• Must be performed manually on every single server in the SharePoint farm.

4. Applying the Out-of-Band (OOB) Hotfix

• Microsoft occasionally releases immediate hotfixes for known patch regressions, making this a direct way to fix SharePoint Server Critical Events After the July 2025 Updates.
• Downloading the specific KB article hotfix released late July 2025 and executing the MSP file via an elevated command prompt.
• Directly addresses native code bugs introduced in the initial patch release.
• Requires an additional maintenance window and farm-wide downtime.

5. Executing the PSConfig Utility via Command Line

• Running the configuration wizard is the definitive final step to finalize fixing SharePoint Server Critical Events After the July 2025 Updates.
• Running PSConfig.exe -cmd upgrade -inplace b2b -wait -cmd applicationcontent -install -cmd installfeatures -cmd secureresources.
• Re-secures all registry keys, updates application content, and provisions new features.
• Can take several hours on large content databases and requires a complete farm outage.

Compare Methods for Fixing SharePoint Server Critical Events After the July 2025 Updates

Solution	Downtime Required	Complexity	Target Event ID	Impact on fixing SharePoint Server Critical Events After the July 2025 Updates
1. Re-provision Distributed Cache	Low (Session Drop)	Medium	6398, 8059	High - Restores authentication tokens
2. Update App Pool Permissions	None	Low	3760	High - Restores SQL connectivity
3. Clear Config Cache	Medium (Timer Restart)	Medium	6398, 6482	Medium - Fixes sync issues
4. Apply OOB Hotfix	High (Farm Offline)	Low	Various Search Errors	High - Patches core binaries
5. Execute PSConfig	High (Farm Offline)	High	Product Version Mismatch	Critical - Finalizes update process

FAQs About Fixing SharePoint Server Critical Events After the July 2025 Updates

Does the patch for the critical events require a specific build of SharePoint Server before installation?

Yes, you must ensure your farm is running at least the May 2025 Cumulative Update before applying the hotfix for the July 2025 critical events, otherwise the configuration wizard will fail.

How can I confirm that the event log errors have stopped after applying the SharePoint hotfix?

You can verify the fix by checking the Windows Event Viewer under Application logs. Specifically, filter for the critical event IDs mentioned in the July update documentation and confirm they have not been logged since the server reboot.

Will applying this update cause any downtime for active user sessions in the SharePoint portal?

Yes, installing the update requires restarting the IIS service and the SharePoint Timer Service across all farm servers, which will temporarily disconnect active user sessions.

What should be done if the SharePoint Configuration Wizard fails to complete after installing the July update?

If the wizard fails, clear the configuration cache on the affected server, verify that the SharePoint Admin service is running, and then re-run the wizard using the command line with the Psconfig tool.

Edit Downloaded Files in WPS Office While SharePoint Is Repaired

When you are managing complex server environments and working to fix SharePoint Server critical events after the July 2025 updates, documenting your incident response is critical. While WPS Office cannot directly interface with SharePoint Central Administration or execute PowerShell scripts, it is the ideal productivity suite for IT administrators to log their troubleshooting workflows.

• Analyze ULS Log Exports: Use WPS Spreadsheet to open exported CSV files from SharePoint ULS logs. Utilize its built-in filtering and conditional formatting to isolate Correlation IDs and Critical error tags.
• Create Post-Incident Reports: Open WPS Writer to draft standard operating procedures (SOPs). Use the AI writing assistant to summarize technical PowerShell outputs into readable management summaries for stakeholders.
• Archive Maintenance Records: Use WPS PDF tools to convert your farm configuration guides and patch logs into secure, read-only PDF documents for compliance auditing.