Configuring a hybrid deployment with the Hybrid Configuration wizard greatly minimizes the potential that the hybrid deployment will experience problems. However, there are some typical areas outside the scope of the Hybrid Configuration wizard that, if misconfigured, may present problems in a hybrid deployment. Sometimes, there can be minor configuration issues that prevent your hybrid deployment features from working as expected.

Check out the following resources to resolve some common hybrid deployment configuration issues:

• Troubleshoot a hybrid deployment at https://technet.microsoft.com/en-us/library/jj659053
• Troubleshooting free/busy issues in Exchange hybrid environment at https://support.microsoft.com/en-us/help/10092/troubleshooting-free-busy-issues-in-exchange-hybrid-environment