The RSDTimetctmReadclasscheck.exe utility was often used for inventory and compliance checks. The "2021 error" was typically an execution failure where the software attempted to query the local system's time or hardware class and crashed.
2908739 - Error executing rsd_time_tct_mreadclass_check. Exe
Based on SAP documentation and community solutions for this specific failure:
By following this guide, you have moved from confusion to clarity. You now understand not only how to fix the error but also why it occurs and how to prevent it from returning. If you are an IT administrator, consider pushing for an update or replacement of the software that depends on this obscure executable. For home users, a repair installation or system restore is often the fastest path to recovery. error executing rsdtimetctmreadclasscheck exe 2021
The error is a known issue documented in SAP KBA 2908739 . It typically occurs during the initial setup of SAP BW on S/4HANA systems (specifically when running task list SAP_BW_SETUP_INITIAL_S4HANA ). Core Problem Details
The error may appear in a small dialog box with an OK button, or it may be logged in the Windows Event Viewer.
Guide you through any failed classes in the SAP backend. The RSDTimetctmReadclasscheck
: Always activate standard time characteristics before running deep automated task lists in new clients.
The error message is a common, disruptive issue encountered during SAP S/4HANA conversion or upgrade projects. As indicated in the SAP Knowledge Base Article 2908739 , this error frequently appears during the SAP_BW_SETUP_INITIAL_S4HANA task list, specifically within the Phase Validation step for the "Check Masterdata Read Classes" task.
If you face this validation block, execute the following technical remedies to restore execution flow: 1. Re-activate BW Technical Content manually Exe Based on SAP documentation and community solutions
To understand this error, it's essential to first grasp the underlying technology it references: the instruction. This is a low-level CPU instruction that reads the number of CPU cycles since the processor was last reset. It is frequently used by software for high-resolution timing, performance monitoring, and, notably, anti-debugging and anti-tamper mechanisms .
SAP maintains an official response framework specifically targeting this error. The most definitive resolution is downloading and implementing the corresponding system correction through the SAP Note Assistant. Launch transaction code .
If you must run the program inside a VM, you can try tweaking the virtual CPU settings: