I think that you are experiencing bug CSCsd13553. Here you have an explanation of it and a solution:
Symptom:
Cannot make configuration changes to resources (such as adding a skill group). Getting Mutex lock errors.
-------------Troubleshooting---------------
- Check the mutex lock entries in the DCD LDAP:
CCN Apps -> clusters -> [profile] -> Locks -> Locks.00000
- Check that the Lock entries were named as follows:
lockApplicant?empty
lockOwner?empty
lockUsage?empty,
lockUserInfo?empty
lockUserTimestamp?empty
(ignore lockExpiration)
- Confirm values of those 5 entries set to "x".
How to add...
Add 'lockApplicant' entry using these instructions:
- Right click on the Locks.xxxxxxx, and select New -> ciscoCCNocConfigInfoCES
- Enter the name as "lockApplicant?empty" and press Enter
- In the next window, click on the Add button and in the Enter String value box, enter "x"
and click OK
- Then OK on the previous window
Resolution
Conditions:
Workaround
Add 'lockApplicant' entry using these instructions:
- Right click on the Locks.xxxxxxx, and select New -> ciscoCCNocConfigInfoCES
- Enter the name as "lockApplicant?empty" and press Enter
- In the next window, click on the Add button and in the Enter String value box, enter "x"
and click OK
Hope this helps,
Juan Luis