Problem:  Unable to access the Network Analyst toolbar

【相关信息】
Article ID: 43050
Bug Id: N/A
Software:
ArcGIS for Desktop Advanced 10.1, 10.2, 10.2.1, 10.2.2
ArcGIS for Desktop Standard 10.1, 10.2, 10.2.1, 10.2.2
ArcGIS for Desktop Basic 10.1, 10.2, 10.2.1, 10.2.2
Platforms: N/A

【问题描述】
ArcGIS Network Analyst is an ArcGIS for Desktop extension that allows users to perform network-based spatial analysis. In some instances, users are unable to utilize Network Analyst tools because the toolbar appears to be shaded.

【原因】
There are several possible reasons for this issue:

• The Network Analyst extension is unchecked in the Customize menu.
• A network dataset is not added into ArcMap.
• There are broken links in the map document (MXD).