Troubleshooting

Find all Troubleshooting articles about the Exchange Online Synchronizer

• Internal Error 500 when testing connection to the OAB
• Error 501 Not Implemented
• Error 1061 when stopping the Synchronizer Service
• You have exceeded the available subscriptions
• A time zone with the specified ID could not be found error message
• Source key is invalid of message
• Failed to read/connect to an IPC Port error
• The source was not found
• Enable Network Discovery to find your domain during the Synchronizer installation