After you upgrade from Cisco Unity 4.x to 5.x, certain services such as
System Attendant, MTA Stacks, and
Information Store do not automatically start. This
document describes how to troubleshoot this issue.
There are no specific requirements for this document.
The information in this document is based on the Unity 4.x and 5.x.
The information in this document was created from the devices in a
specific lab environment. All of the devices used in this document started with
a cleared (default) configuration. If your network is live, make sure that you
understand the potential impact of any command.
Technical Tips Conventions for information on document
After you upgrade from Cisco Unity 4.x to 5.x , certain Unity services
do not start automatically, and you receive this error message:
Unexpected error An unknown error has occurred. ID no: 80040a01 Microsoft
Exchange System Attendant
The Metabase Update service failed to start, error '80040a01'
Here are the Cisco Unity services that do not start
Microsoft Exchange System Attendant
Microsoft Exchange Information Store
Microsoft Exchange MTA Stacks
Even if Cisco Unity is restarted, these services do not start
automatically and must be manually started.
This issue can occur when the registry value is not set properly after
the Cisco Unity upgrade.
Complete these steps in order to fix this problem:
Open the Registry Editor.
In order to open the Registry Editor, choose Start >
Run, enter Regedt32.exe in the Open field of the Run
dialog box, and press Enter.
The Registry Editor appears.
Locate and select this registry key:
In the Edit menu, choose Add Value, and then add
this registry value:
Close the Registry Editor.
Restart Cisco Unity.