Error: OSWatcher uses the OS utility Logman to gather its data

Starting Operating System Watcher for Windows (OSWatcher) may return following error message.

c:\oswfw_2_5.1\oswfw_2_5.1>oswatcher 20 120 Error: OSWatcher uses the OS utility Logman to gather its data.

TNS-12531: TNS:cannot allocate memory

I found this message in my listener.ora file while investigating a ORA-00600 error which was causing the database to slow down very much.

24-FEB-2015 11:55:00 * 12531 TNS-12531: TNS:cannot allocate memory

TNS-12560: TNS:protocol adapter error

This is one of the most common and generic errors you may face while trying to connect with the database. There could be a lot of reasons for this. To troubleshoot this, you may want to go through following checklist

Check your TNS entry in TNSNAMES.ORA file, if it is set correctly and there is no syntax error and it is pointing to correct server and instance