PowerShell functions are a powerful tool for automating tasks and working with data. In this article, we will show you how to create a function that requires elevation. To create a function that requires elevation, first open PowerShell and create a new script file. To do this, type the following command: powershell New-Item -Type File -Path C:\Scripts\Function1.ps1 Next, enter the following code into the newly created function file: Function1 { param ( [Parameter(Mandatory=$true)] [string]$Name ) $Name = $args[0] } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 ..

PowerShell can be extremely useful for a lot of everyday tasks as is, but if you need to tweak some functions with a bit of safety in mind, then how do you define a function so that it requires elevation? Today’s SuperUser Q&A post has the answer to a curious reader’s question.

Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites.

The Question

SuperUser reader Vlastimil wants to know how to define a PowerShell function that requires elevation:

How do you define a PowerShell function that requires elevation?

With the following results:

To be completely clear, if I run PowerShell as “user”, then run the aforementioned function system-check, I want the function to elevate in order to be able to execute the command (I want the UAC prompt to appear).

The Answer

SuperUser contributor Ashton has the answer for us:

Have something to add to the explanation? Sound off in the comments. Want to read more answers from other tech-savvy Stack Exchange users? Check out the full discussion thread here.

For example:

To run a specific script from an elevated window:

To run an entire PowerShell session that prompts the UAC:

A function to return $True or $False if the current window is running with elevated permissions:

To ensure a script is only run As Admin, add this to the beginning:

In PowerShell v4.0, the above can be simplified by using a #Requires statement:

Source: Run with Elevated Permissions [SS64.com]