Unable to start microsoft exchange addressbook service

Adam CodeTwo. Get answers from your peers along with millions of IT pros who visit Spiceworks. Best Answer. Verify your account to enable IT peers to see that you are a professional. Have you tried setting it to Delayed Start? What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange. All rights reserved. Covered by US Patent. Come for the solution, stay for everything else. Welcome to our community! We have an issue on an exchange server where the RPC Client Access service refuses to start due to the following Application log entry.

However, Outlook clients cannot connect to the exchange server, which we assume is due to this service failing to start. Failed with the error code The endpoint is a duplicate -- We noticed a Windows Security update was installed on the server early morning before the problem was noticed. This has since been rolled back but with no improvement. Any suggestions that will help diagnose where the problem may be with be appreciated. Reboot exchange server after you delete away the specific registry.

Solution as shown below. Vendor refer to this solution to solve it:. It is a new install with default settings. We found the port conflict with PortQry.

You should not delete this if the server is a Global Catalog server!!!!!!!!! In my case it was not. I deleted it and restarted server.

Now it is working If it is a BDC adding the global catalog role also worked with out deleting the Reged. Thursday, October 6, AM. I read through before all the related posts. I will try to reboot again the exchange server later on and update with the status.

Wednesday, October 5, PM. Thanks Sophia Xu.