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GUID you get something like aaaef973-d8ce-4c92-95b4-3635bb2d42d5
Is it always the same? Is it always going to have the following format
8 char "-", 4 char "-", 4 char "-", 4 char "-", 12 char
I'm asking because i need to convert a GUID without "-" to GUID with "-" and vice visa.
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The GUID data type is a text string representing a Class identifier (ID). COM must be able to convert the string to a valid Class ID. All GUIDs must be authored in uppercase. The valid format for a GUID is {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} where X is a hex digit (0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F).
So the answer is "yes", it will always be the same length. As for the 4, it is a version number (according to http://en.wikipedia.org/wiki/Uuid). Every GUID that you generate with that algorithm will have a 4 in that position, but older GUIDs will have a 1, 2, or 3.
The MACHINEGUID is the unique identifier for each client machine. Therefore if there are duplicate MACHINEGUID entries, machine entries in the Encryption Management Server database will be constantly overwritten.
C# Guid. A GUID (Global Unique IDentifier) is a 128-bit integer used as a unique identifier.
No; there are other formats, such as the format you listed except with braces. There's also more complex formats. Here are some of the formats MSDN lists:
UUID formats
- 32 digits:
00000000000000000000000000000000(N)- 32 digits separated by hyphens:
00000000-0000-0000-0000-000000000000(D)- 32 digits separated by hyphens, enclosed in braces:
{00000000-0000-0000-0000-000000000000}(B)- 32 digits separated by hyphens, enclosed in parentheses:
(00000000-0000-0000-0000-000000000000)(P)- Four hexadecimal values enclosed in braces, where the fourth value is a subset of eight hexadecimal values that is also enclosed in braces:
{0x00000000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}}(X)—MSDN
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