這是假設 server 已經先安裝 .net 4.0 
首先，不需從網路下載 .net framework3.5
必須從 "伺服器管理員" 去新增功能加入

安裝完之後，跑 NET 4.0 網站會錯誤

[IIS] IIS出現[無法從組件 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' 載入型別 'System.ServiceModel.Activation.HttpModule'。] 錯誤訊息排解

若要正常使用必須要再跑以下指令
以 "系統管理員" 開啟 cmd.exe
執行
%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe -i

刪除 logFile 和 ftpServer 兩個區塊即可。

 
 

按F5重新整理，即可看到"關閉"狀態 
 

SELECT * FROM sys.tcp_endpoints

 

ALTER ENDPOINT [Mirroring] AS TCP (listener_port = 5023)

參考：http://www.macaalay.com/2012/10/10/altering-mirroring-endpoints-ports-on-sql-server/

這是一篇加密文章，需輸入密碼才可閱讀

當我們在本地的SQL以 Linked Server方式存取遠端的資料庫，有時會出現這樣的訊息
不允許遠端資料表值函數呼叫
通常是使用 stored procedure 或是 自定義的function 會出現這樣的錯誤
這時候可以有個變通方法，就是使用 OPENQUERY 方法

原寫法 (UNTDB 是 Linked Server的 Name)

mySQL = "Select count(*) as Cnt from [UNTDB].[ShopUNT]..[V_Order_Main] ....



新寫法

mySQL = "Select count(*) as Cnt from [ShopUNT]..[V_Order_Main] ....

mySQL = "Select * from Openquery([UNTDB],'" + mySQL.Replace("'", "''") + "')";

 

今天網站升到 .Net Framework 4.0 時，突然有幾個頁面一執行就會load不停，並且造成 w3wp.exe 的CPU飆高。

經查詢之後發現，問題發生在執行SQL時；會load不停的頁面所呼叫的連線字串中，都將屬性Connection Timeout=0

，因此將Connection Timeout=0拿掉就好了。

<add key="xxxxxx" value="server={server};database={DB};uid={uid};pwd={pwd};Max Pool Size={size};Connection Timeout=0"/>

http://msdn.microsoft.com/zh-cn/library/system.data.oracleclient.oracleconnection.connectiontimeout(v=vs.110).aspx

所以在設定連線字串時，應避免將Connection Timeout設成0，否則會無限期的等待連接。


p.s. 很神奇的事是，在 .Net Framework 2.0 是正常的，但升成 4.0 後才會load不停，不知道為什麼。

http://lifeofageekadmin.com/fixing-windows-2008-r2-activation-errors/

​Location is at C:\windows\system32\Slmgr.vbs
/ckms = clear all KMS servers in cache and set to auto discover
/skms :  = Specify a KMS host server
/ipk  = Enter in a new license key
/ato = Activate the new key
/dlv = Display license information
First open a command prompt and try to register a license key. This example is for Windows 2008 R2 Enterprise Edition.
C:\> Cd c:\windows\system32
C:\Windows\system32>cscript slmgr.vbs /ipk
C:\Windows\system32>cscript slmgr.vbs /ato
If you receive activation successful you are complete. If you receive a 0xC004F074 error do the following.
C:\> Cd c:\windows\system32
C:\Windows\system32>cscript slmgr.vbs /ckms
C:\Windows\system32>cscript slmgr.vbs /ipk
C:\Windows\system32>cscript slmgr.vbs /ato
If you receive activation successful you are complete. If you receive a 0xC004F074 error again or another error do the following.
C:\> Cd c:\windows\system32
C:\Windows\system32>cscript slmgr.vbs /rilc
Reboot
C:\> Cd c:\windows\system32
C:\Windows\system32>cscript slmgr.vbs /ckms
C:\Windows\system32>cscript slmgr.vbs /ipk
C:\Windows\system32>cscript slmgr.vbs /ato
More information can be found at Configuring KMS Clients

SELECT s.name

FROM sys.schemas s

WHERE s.principal_id = USER_ID('YourUserID');



ALTER AUTHORIZATION ON SCHEMA::YourSchemaName TO dbo;

參考：http://blog.sqlauthority.com/2011/12/26/sql-server-fix-error-15138-the-database-principal-owns-a-schema-in-the-database-and-cannot-be-dropped/

在 SQL 2008 可以用以下的 SQL

DECLARE @DBName VARCHAR(64) = 'CHIComp01'

 

DECLARE @ErrorLog AS TABLE([LogDate] CHAR(24), [ProcessInfo] VARCHAR(64), [TEXT] VARCHAR(MAX))

 

INSERT INTO @ErrorLog

EXEC sys.xp_readerrorlog 0, 1, 'Recovery of database', @DBName

 

SELECT TOP 5

     [LogDate]

    ,SUBSTRING([TEXT], CHARINDEX(') is ', [TEXT]) + 4,CHARINDEX(' complete (', [TEXT]) - CHARINDEX(') is ', [TEXT]) - 4) AS PercentComplete

    ,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0 AS MinutesRemaining

    ,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0/60.0 AS HoursRemaining

    ,[TEXT]

 

FROM @ErrorLog ORDER BY [LogDate] DESC

在 SQL 2012 可以用以下的 SQL:

DECLARE @DBName VARCHAR(64) = 'databasename'



DECLARE @ErrorLog AS TABLE([LogDate] CHAR(24), [ProcessInfo] VARCHAR(64), [TEXT] VARCHAR(MAX))



INSERT INTO @ErrorLog

EXEC master..sp_readerrorlog 0, 1, 'Recovery of database', @DBName



SELECT TOP 5

[LogDate]

,SUBSTRING([TEXT], CHARINDEX(') is ', [TEXT]) + 4,CHARINDEX(' complete (', [TEXT]) - CHARINDEX(') is ', [TEXT]) - 4) AS PercentComplete

,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0 AS MinutesRemaining

,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0/60.0 AS HoursRemaining

,[TEXT]



FROM @ErrorLog ORDER BY [LogDate] DESC

結果如下:
 


資料來源:
http://timlaqua.com/2009/09/determining-how-long-a-database-will-be-in-recovery-sql-server-2008/