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processing failures

About this tag
On WindowsForum.com, the tag 'processing failures' covers issues where Windows systems fail to complete critical operations, such as Group Policy processing. A recurring theme involves authentication errors, including event ID 40970 LSA downgrade attempts and event ID 1030 Group Policy failures. These problems often affect Windows Server environments, like Windows 2022 member servers in a Windows 2025 domain, leading to symptoms such as mapped drives losing connectivity overnight. The tag highlights troubleshooting scenarios where encryption type mismatches or security protocol downgrades cause processing failures, with Windows automatically retrying the operation. Discussions focus on identifying error codes and resolving underlying authentication or policy retrieval issues.
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    Windows 2025 Domain with Windows 2022 member servers loosing (Red X) on Mapped drives overnight.

    It seems to coincide with a warning on the Windows 2022 member server event ID 40970 LSA (LSASrv) The security System has detected a downgrade attempt when contacting the 3-part SPN LDAP/Domain Controller FQDN/Domain@Domain with error code "The encryption type is not supported by the KDC...
    • bswhipp
    • Thread
    • access issues authentication domain controller downgrade error codes event id file explorer group policy kdc ldap name resolution network processing failures retry security server management troubleshooting windows server workstation access
    • Replies: 3
    • Forum: Windows Server Forums
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