my bug is very similar to bug ID 252279.
I can not open design of table or database diagram in SSMS 2012. I get a message "The parameter is incorrect"
I try connect to different servers and it's the same error.
I try completelly reinstall, download a fresh instalation and again reinstall, changes persmissions for services to "Local machine" but nothing help me.
I'm logged as SQL user with full rights. I also try SA user, but the same error. I'm owner of database. I have admin rights on the machine.
I have a local SQL express 2012. I also try Web edition with the same errors.
Please help me, it's very important for my work.
My configuration is:
Win7 Home Premium SP 1, Czech language
Microsoft SQL Server Management Studio 11.0.2100.60
Microsoft Data Access Components (MDAC) 6.1.7601.17514
Microsoft MSXML 3.0 4.0 5.0 6.0
Microsoft Internet Explorer 9.10.9200.16618
Microsoft .NET Framework 4.0.30319.18047
Operating System 6.1.7601
select @@version information:
Microsoft SQL Server 2012 - 11.0.2100.60 (X64)
Feb 10 2012 19:39:15
Copyright (c) Microsoft Corporation
Express Edition (64-bit) on Windows NT 6.1 <X64> (Build 7601: Service Pack 1)