Prerequisite Scanner prerequisites

IBM® Prerequisite Scanner can run on 32-bit or 64-bit Windows systems. It can also run on 32-bit or 64-bit variants of AIX®, HP-UX, Linux, and Solaris operating systems.

Ensure that your target environments meet the following prerequisites:

Target system Prerequisites

Windows

Target system	Prerequisites
Windows	Ensure that the Telnet client is enabled so that the connectivity checks in the predefined Connectivity collector can function correctly. Ensure that the Windows Management Instrumentation (WMI) service, Winmgmt, is running so that Prerequisite Scanner can make WMI requests to get system data. Ensure that there is sufficient disk space to run Prerequisite Scanner. The tool requires the following disk space: 4 MB when the debug input parameter is not specified when the tool is run. 6 MB when the debug input parameter is specified when the tool is run. If the tool detects that there is insufficient disk space, it displays an error message and exits. Attention: The amount of required disk space is sufficient to support most Prerequisite Scanner use cases. The disk space can vary based on the number of configuration files and the number of prerequisite properties in those configuration files. More disk space might be required if the tools scans for several products with large configuration files.
UNIX	For non-root users, ensure that the locations of the mount, swapinfo, and psrinfo commands are set in the `PATH` environment variable, so that the commands are available to Prerequisite Scanner. The commands are in the /usr/sbin directory; for example, set the `PATH` environment variable as follows: `export PATH=$PATH:/usr/sbin/` Ensure that the correct access permissions are assigned to the lscfg command, including any specific permissions that are set by the access-right flags, such as `setuid` bit. The correct access permissions mean that Prerequisite Scanner can run the command and retrieve system information. The command is in the /usr/sbin directory; for example to set the `setuid` bit for lscfg, run chmod command as follows: `chmod 4777 /usr/sbin/lscfg` Ensure that there is sufficient disk space to run Prerequisite Scanner. The tool requires the following disk space: 5 MB when the debug input parameter is not specified when the tool is run. 6 MB when the debug input parameter is specified when the tool is run. If the tool detects that there is insufficient disk space, it displays an error message and exits. Attention: The amount of required disk space is sufficient to support most Prerequisite Scanner use cases. The disk space can vary based on the number of configuration files and the number of prerequisite properties in those configuration files. More disk space might be required if the tools scans for several products with large configuration files.

Ensure that the Telnet client is enabled so that the connectivity checks in the predefined Connectivity collector can function correctly.
Ensure that the Windows Management Instrumentation (WMI) service, Winmgmt, is running so that Prerequisite Scanner can make WMI requests to get system data.
Ensure that there is sufficient disk space to run Prerequisite Scanner. The tool requires the following disk space:
- 4 MB when the debug input parameter is not specified when the tool is run.
- 6 MB when the debug input parameter is specified when the tool is run.
If the tool detects that there is insufficient disk space, it displays an error message and exits.

Attention: The amount of required disk space is sufficient to support most Prerequisite Scanner use cases. The disk space can vary based on the number of configuration files and the number of prerequisite properties in those configuration files. More disk space might be required if the tools scans for several products with large configuration files.

UNIX

For non-root users, ensure that the locations of the mount, swapinfo, and psrinfo commands are set in the PATH environment variable, so that the commands are available to Prerequisite Scanner. The commands are in the /usr/sbin directory; for example, set the PATH environment variable as follows:
```
export PATH=$PATH:/usr/sbin/
```
Ensure that the correct access permissions are assigned to the lscfg command, including any specific permissions that are set by the access-right flags, such as setuid bit. The correct access permissions mean that Prerequisite Scanner can run the command and retrieve system information. The command is in the /usr/sbin directory; for example to set the setuid bit for lscfg, run chmod command as follows:
```
chmod 4777 /usr/sbin/lscfg
```
Ensure that there is sufficient disk space to run Prerequisite Scanner. The tool requires the following disk space:
- 5 MB when the debug input parameter is not specified when the tool is run.
- 6 MB when the debug input parameter is specified when the tool is run.
If the tool detects that there is insufficient disk space, it displays an error message and exits.

Attention: The amount of required disk space is sufficient to support most Prerequisite Scanner use cases. The disk space can vary based on the number of configuration files and the number of prerequisite properties in those configuration files. More disk space might be required if the tools scans for several products with large configuration files.

Prerequisite Scanner supports all hardware and operating systems of the specified product or IBM solution for which you are running Prerequisite Scanner.