Cisco Unity

Introduction

This document discusses how to troubleshoot the Error: 0x8007054B: The specified domain either does not exist or could not be contacted error message that appears in the event log of the Cisco Unity server.

Prerequisites

Requirements

There are no specific requirements for this document.

Components Used

This document is not restricted to specific software and hardware versions.

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.

Conventions

Refer to Cisco Technical Tips Conventions for more information on document conventions.

Problem

This error message appears in the event log of the Cisco Unity server:

Event Source:	CiscoUnity_DSAD
Event Category:	Error 
Event ID:	1051
Date:		7/29/2007
Time:		8:00:42 PM
User:		N/A
Computer:	MGW-2K-UNITY1
Description:
The Cisco Unity service that monitors Active Directory (AvDSAD) did not start 
successfully, due to an error querying the Active Directory schema.

Binding string: LDAP://schema/mDBOverHardQuotaLimit
Error: 0x8007054B: The specified domain either does not exist or could not be 
contacted.

Possible causes include: 1) Network connectivity to the Domain Controller. 2)
Insufficient rights for The Cisco Unity service that monitors Active Directory 
(AvDSAD) account.
Ensure that The Cisco Unity service that monitors Active Directory (AvDSAD) can
contact the Domain Controller and has sufficient rights to query the Active
Directory schema. If the problem persists, enable all the micro traces for The
Cisco Unity service that monitors Active Directory (AvDSAD) in the Unity
Diagnostic Tool. Report the problem to Cisco TAC and include the diagnostic
log.

Solution

In order to resolve this issue, complete these steps:

1. Restart the AvDSAD and AvGlobalcatalog services from Programs > Administrative Tools > Services, and monitor changes in the Active Directory and in the Global Catalog Server.

2. Choose Cisco Unity Tools Depot > Diagnostics Tools, and double-click DohPropTest. Enter the password, and click the DOH Property Tester window.

3. Click GC Monitor, and choose TotalResync.

4. Close the GC Monitor window, and then click AD Monitor. Choose TotalResync.

This issue can also occur due to a DNS problem. In this case, make sure the DNS settings on Cisco Unity point to the ROOT DNS server (or local DNS) and not the corporate directory DNS server. Refer to Basic DNS Troubleshooting for Cisco Unity Servers for information on how to troubleshoot DNS related issues in Cisco Unity.

Related Information

• Cisco Unity Reconfiguration and Upgrade Guide (With Microsoft Exchange)
• Voice Technology Support
• Voice and Unified Communications Product Support
• Troubleshooting Cisco IP Telephony
• Technical Support & Documentation - Cisco Systems