Event ID - 18

Event Id18
SourceSNA Print Server
DescriptionHost CodePage specified for the print session is not installed on the system.
Event InformationAfter you install Host Integration Server 2000 Service Pack 1 (SP1), the following errors may be logged in the Application Event log:

CAUSE: During the installation of Host Integration Server 2000 SP1, the National Language Support (NLS) Code Page registry parameter may be removed. The removal of these registry parameters cause the event 18 errors to be logged when host print sessions are activated.

WORKAROUND: To work around this problem, follow these steps:
Save the following NLS Code Page registry key on a similar system: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\CodePage
Restore the registry key on the system that is experiencing the problem.
Reference Links Print Server May Log Event 18 Errors After SP1 Installed on Host Integration Server 2000

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