Hi Sudar,
I don’t seem to be able to delete more than 500 posts in one go. This impacts both the usual bulk delete function and the Scheduler for Deleting Posts by Post Type, which I recently purchased. I think it may be something to do with server settings:
Bulk Delete Version: 5.5.4
WordPress Version: 4.4.2
PHP Version: 5.5.32
MySQL Version: 5.1.73
Web Server Info: Apache
WordPress Memory Limit: 40M
WordPress Max Limit: 256M
PHP Memory Limit: 256M
SAVEQUERIES: Not set
WP_DEBUG: Disabled
WP_SCRIPT_DEBUG: Not set
GMT Offset: 0
DISABLE_WP_CRON: Not set
WP_CRON_LOCK_TIMEOUT: 60
EMPTY_TRASH_DAYS: 30
PHP Safe Mode: No
PHP Upload Max Size: 2M
PHP Post Max Size: 8M
PHP Upload Max Filesize: 2M
PHP Time Limit: 30
PHP Max Input Vars: 1000
PHP Arg Separator: &
PHP Allow URL File Open: Yes