We cannot do anything if our site has been blocked by administrator. We cannot add, edit, delete, etc about contents, pages, documents, etc. Don’t be worried about it, that is not a big problem. Follow this step to solve that problem :
- Go to SharePoint Central Administration 2010 Application
- On the Quick launch Bar, choose Application Management
- In the Site Collections section, click configure quotas and locks
- Choose site collection which you want to configure
- At the look status this site, choose Not Locked
- Click button “OK” to save this configuration.