Important These steps may increase your security risk. These steps may also make your computer or your network more vulnerable to attack by malicious users or by malicious software such as viruses. We recommend the process that this article describes to enable programs to operate as they are designed to, or to implement specific program capabilities. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this process in your particular environment. If you choose to implement this process, take any appropriate additional steps to help protect your system. We recommend that you use this process only if you really require this process.
If you cannot move the computer to a trusted domain, you can turn off RPC security.
Warning Verify that the computer is in an isolated environment that has a firewall before you turn off RPC security.
To turn off RPC security, use one of the following methods:
- For computers that are running Microsoft Windows Server 2003 with Service Pack 1 (SP1)
- Click Start, click Run, type Dcomcnfg.exe, and then click OK.
- Expand Component Services, expand Computers, right-click My Computer, and then click Properties.
- In the My Computer Properties dialog box, click the MSDTC tab, and then click Security Configuration.
- In the Security Configuration dialog box, click to select the Network DTC Access check box. Then, click to select No Authentication Required under Transaction Manager Communications.
- Click OK, and then click Yes to restart the MSDTC service.
- After the service has restarted, click OK.
- Click OK to close the My Computer Properties dialog box.
- For computers that are running Windows Server 2003 without SP1
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
Add the following DWORD registry entry and set the value to 1:To do this, follow these steps:- Click Start, click Run, type regedit, and then click OK.
- Locate and then click the following subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC
- On the Edit menu, click New, and then click DWORD Value.
- Type TurnOffRpcSecurity, and then press ENTER.
- Right-click TurnOffRpcSecurity, and then click Modify.
- In the Edit DWORD Value dialog box, click Decimal, type 1 to turn off RPC security, and then click OK.
- On the File menu, click Exit.