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1. Run wbemtest.exe.
2. Click Connect.
3. In the NameSpace text box, enter \\server\root\cimv2 where server is the name of the server to which you want to connect.
4. Provide Username and Password.
5. Click Connect.
6. Click Query.
7. Enter select * from win32_process.
8. Click Apply.

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1. If the remote computer is running Windows XP, make sure it is not set to Force Guest. This setting forces impersonation of any connection as Guest.
   1. Open the Local Security Policy console from Administrative Tools.
   2. Browse to Security Settings > Local Policies > Security Options .
   3. Double-click Network Access: Sharing And Security Model For LocalAccounts.
   4. Change the settings from Guest Only to Classic.
2. Make sure DCOM is enabled on the remote server:
   1. Run DcomCnfg on the remote server.
   2. Click Component Services.
   3. Expand Computers.
   4. Right click My Computer and select Properties.
   5. Click the Default Properties tab.
   6. Make sure Enable Distributed COM on this computer is checked.
3. Verify the configuration of the correct DCOM remote launch and activation permissions:
   1. Run DcomCnfg on the remote server.
   2. Click Component Services.
   3. Expand Computers.
   4. Right click My Computer and select Properties.Make sure Enable Distributed COM on this computer is checked.
   5. Click the Com Security tab.
   6. Under Launch and Activation Permissions, click Edit Limits.
   7. In the Launch Permissions dialog box, make sure your user account or group is listed in the Groups or user names list. If your user account or group is not listed, click Add and add it to the list.
   8. In the Launch Permission dialog box, select your user account or group in the Group or user names list. In the Allow column under Permissions for User, select Remote Launch and Remote Activation, and then click OK.
4. Make sure the correct DCOM remote access permissions are configured:
   1. Run DcomCnfg on the remote server.
   2. Click Component Services.
   3. Expand Computers.
   4. Right click My Computer and select Properties.Make sure Enable Distributed COM on this computer is checked.
   5. Click the Com Security tab.
   6. Under Access Permissions , click Edit Limits.
   7. In the Access Permission dialog box, select ANONYMOUS LOGON name in the Group or user names list. In the Allow column under Permissions for User, select Remote Access, and then click OK.
5. Make sure the correct WMI namespace permissions are configured.
   1. On the target machine, run wmimgmt.msc.
   2. Right-click WMI Control, and then select Properties.
   3. In the Security tab, select the CIMV2 namespace, and then click Security.
   4. Locate the appropriate account, and then check Remote Enable in the Permissions list.

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