Initialization of the permanent cache of the application pool 'defaultapppool 'template failed.

System logs contain the following error messages:
Error: Application ProgramThe initialization of the permanent cache of the template in the pool 'defaultapppool 'fails. This is caused by the following error: the disk cache subdirectory of the application pool cannot be created. Data may contain additional errors Code.

Solution for Windows Server 2003 failure to create the disk cache subdirectory of the application pool

Solution: grant iis_wpg and service users read and write permissions to the following three directories:

• Systemroot \ HELP \ IISHelp \ common iis_wpg and Network Service read and run Permissions
• Full permission Control for systemroot \ system32 \ inetsrv \ ASP compiled templates
• Full permission Control for systemroot \ IIS temporary compressed files

After that, restart the IIS Admin Service to solve the problem.