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This article provides brief information and a workaround to resolve an issue when importing nodes.
Error While importing node XXXX Details: Network access for Distributed Transaction Manager (MSDTC) has been disabled.
All NPM versions
The issue is caused by a security restriction from the MSDTC service protocols between the SQL server and the Orion server. This setting can be changed every network security audit.
Note: The following steps can only fix the issue with importing nodes. There is another known issue found here that also generates the same error, but different behavior. If there are further errors with Orion Core services, run the Configuration Wizard for more troubleshooting.
Check the following on both the SQL and Orion server:
Windows Server 2008
1. Open a Run command on the server.
2. Type dcomcnfg.
3. Click OK to open Component Services.
4. Expand Component Services.
5. Expand the following:
Distributed Transaction Coordinator
6. Click Local DTC.
7. Right-click Local DTC and select Properties to display the Local DTC Properties dialog box.
8. Click the Security tab.
9. Select the following checkboxes, and then click Apply:
10. Click OK.
11. A message will appear about restarting the service, click OK to do so.
Server 2012, see Configure the Default Transaction Coordinator on Microsoft website.
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