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在Windows Server 2012 + SQL Server 2012环境中，使用SSMS经常会报错如下：
The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID
{FDC3723D-1588-4BA3-92D4-42C430735D7D}
and APPID
{83B33982-693D-4824-B42E-7196AE61BB05}
to the user mydomain\myname SID (S-1-5-21-1144337295-3700848864-1050654588-5830) from address LocalHost (Using LRPC) running in the application container Unavailable SID (Unavailable). This security permission can be modified using the Component Services administrative tool.
解决方案：
1. Click Start -> Run -> Type -> dcomcnfg, expand Component Services -> Computers -> My Computer -> DCOM Config.
2. Click View -> Detail -> Now you will get Application Name and Application ID in right side.
3. Scroll down and find the application ID {AD65A69D-3831-40D7-9629-9B0B50A93843} -> Right Click -> Properties and select the Security tab.
3. Click Customize under "Launch & Activation Permission" -> click Edit -> Add in the account NT AUTHORITY\SYSTEM and set local launch and local activation.
4. Restart the application Service linked to this Application ID or restart the server and monitor
问题解决。
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