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Deutsch English: It allows multiple users to log in simultaneously without kicking off the current user, effectively turning a standard server or workstation into a multi-session host without the formal RDS infrastructure. Automated Execution : Tools like the Universal Termsrv.dll Patch automate the process of taking file ownership from TrustedInstaller
This method involves directly modifying the termsrv.dll file. A common sequence for Server 2012 R2 involves: universal termsrv.dll patch windows server 2012 r2
The patch locates and changes a conditional jump instruction ( JNZ , JE ) to an unconditional jump ( JMP ) or alters the comparison value (e.g., changing a cmp eax, 2 to cmp eax, 9999 ). Specifically, for Server 2012 R2, the known patch targets the following hex pattern: : It allows multiple users to log in