Windows 10 local administrators want to utilize a corporate messaging app to deliver messages to Active Directory domain users. He got an error notice saying he didn't have permission to access the software.  What's the solution?

Why don't you let me know where I may get more details about Windows Service Control Manager?

Do you recommend any resources to learn more about Windows Service Control Manager?

Alexander Rocco Corporation has multiple OSs running in its many offices. Before conducting a security test to determine the vulnerabilities you need to correct, you want to determine whether any OSs are running that you’re not aware of. Christy Fitzgerald, the network administrator/security officer, is resistant to giving you information after he learns you’re there to discover network security vulnerabilities. He sees you as a threat to his position. After several hours of interviews, you can ascertain only that Mike’s personal e-mail address is vetman2601@gmail.com, and an old RHEL server is running on one of the company’s systems.    What tools might you use after learning the network administrator’s email address? What can you determine by entering the network administrator’s email address into Google? What about entering only the handle vader2601? Could the information you learned from Google be used to conduct vulnerability testing?