System.Security.SecurityException: Requested registry access is not allowed.

Give the ASPNET user permission to read the Security eventlog registry entry.
Run regedt32
Navigate to the following key:
Right click on this entry and select Permissions

  • Add the ASPNET user.
  • Add the IUSR_<MachineName> user.
  • if its’ W2k3 Server, Add the NETWORK SERVICE user.

Give it Full Control and Read permission


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