Convert Managed Solution to UnManaged Solutions

1. Run the Below SQL Script
   
   

DECLARE @solutionId       UNIQUEIDENTIFIER,
        @systemSolutionId UNIQUEIDENTIFIER -- specify the uniquename of the managed solution you'd like to unmanage here it is StagingOrg

SELECT @solutionId = solutionid
FROM   solutionbase
WHERE  uniquename = 'Your solution name' -- DO NOT TOUCH FROM HERE ON --

SELECT @systemSolutionId = solutionid
FROM   solutionbase
WHERE  uniquename = 'Active'

UPDATE publisherbase
SET    isreadonly = 0
WHERE  publisherid IN (SELECT publisherid
                       FROM   solutionbase
                       WHERE  solutionid = @solutionId)

PRINT 'updated publisher'

DECLARE @tables TABLE
  (
     id         INT IDENTITY,
     NAME       NVARCHAR(100),
     ismanaged  BIT,
     issolution BIT
  )
DECLARE @count        INT,
        @currentTable NVARCHAR(100),
        @currentM     BIT,
        @currentS     BIT,
        @sql          NVARCHAR(max) -- go through all the tables that have the ismanaged/solutionid flag, find the related records for the current solution and move them to the crm active solution.

INSERT INTO @tables
            (NAME,
             ismanaged,
             issolution)
SELECT NAME,
       1,
       0
FROM   sysobjects
WHERE  id IN (SELECT id
              FROM   syscolumns
              WHERE  NAME IN ( 'IsManaged' ))
       AND type = 'U'
ORDER  BY NAME

INSERT INTO @tables
            (NAME,
             ismanaged,
             issolution)
SELECT NAME,
       0,
       1
FROM   sysobjects
WHERE  id IN (SELECT id
              FROM   syscolumns
              WHERE  NAME IN ( 'SolutionId' ))
       AND type = 'U'
       AND NAME NOT IN ( 'SolutionComponentBase' )
       AND NAME NOT LIKE '%ribbon%' -- ignore this table because it doesn't make a difference. it does cause dependency errors on the exported solution but we can manually edit the xml for that. order by name

SELECT @count = Count(*)
FROM   @tables

WHILE ( @count > 0 )
  BEGIN
      SELECT @currentTable = NAME,
             @currentM = ismanaged,
             @currentS = issolution
      FROM   @tables
      WHERE  id = @count

      IF ( @currentM = 1 )
        BEGIN
            SELECT @sql = 'update ' + @currentTable
                          + ' set IsManaged=0 where SolutionId=N'''
                          + Cast( @solutionId AS NVARCHAR(100) ) + ''''

            EXEC (@sql)

            PRINT 'updated IsManaged to 0 on: '
                  + @currentTable
        END

      IF ( @currentS = 1 )
        BEGIN
            SELECT @sql = 'update ' + @currentTable
                          + ' set SolutionId=N'''
                          + Cast( @systemSolutionId AS NVARCHAR(100) )
                          + ''' where SolutionId=N'''
                          + Cast( @solutionId AS NVARCHAR(100) ) + ''''

            EXEC (@sql)

            PRINT 'updated SolutionId on: ' + @currentTable
        END

      SELECT @count = @count - 1,
             @currentTable = NULL
  END 

1. 
   
   
2. Go to Settings > Customizations > Solutions
   
   
3. Export the Solution as Unmanaged
   
   
4. Save and Extract the Solution File
   
   
5. Open and Edit the solution.xml File
   
   
6. Change the <Managed> Tag
   Find the <Managed> tag within the solution.xml file, Change the value from 1 (Managed) to 0 (Unmanaged):
   
   
7. Remove All MissingDependency Elements
   Scroll down towards the bottom of the solution.xml file, Remove all <MissingDependency> elements or self-close them like this:
   
   
8. Re-Zip the Content
   
   
9. Import the Solution Back into CRM